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123424431102 = 2337745743787
BaseRepresentation
bin111001011110010101…
…0110101101111111110
3102210120122211201212000
41302330222311233332
54010233123243402
6132411141523130
711626400232360
oct1627452655776
9383518751760
10123424431102
1148386967975
121bb067134a6
13b83c7b546b
145d8c072d30
153325936c1c
hex1cbcab5bfe

123424431102 has 64 divisors (see below), whose sum is σ = 313508067840. Its totient is φ = 35258588928.

The previous prime is 123424431089. The next prime is 123424431121. The reversal of 123424431102 is 201134424321.

123424431102 is a `hidden beast` number, since 1 + 2 + 342 + 4 + 4 + 311 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2796853 + ... + 2840639.

It is an arithmetic number, because the mean of its divisors is an integer number (4898563560).

Almost surely, 2123424431102 is an apocalyptic number.

123424431102 is an abundant number, since it is smaller than the sum of its proper divisors (190083636738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123424431102 is a wasteful number, since it uses less digits than its factorization.

123424431102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51262 (or 51256 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 123424431102 its reverse (201134424321), we get a palindrome (324558855423).

It can be divided in two parts, 12342 and 4431102, that added together give a palindrome (4443444).

The spelling of 123424431102 in words is "one hundred twenty-three billion, four hundred twenty-four million, four hundred thirty-one thousand, one hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 7457 14914 22371 43787 44742 52199 67113 87574 104398 131361 134226 156597 201339 262722 306509 313194 394083 402678 469791 613018 788166 919527 939582 1182249 1409373 1839054 2364498 2758581 2818746 5517162 8275743 16551486 326519659 653039318 979558977 1959117954 2285637613 2938676931 4571275226 5877353862 6856912839 8816030793 13713825678 17632061586 20570738517 41141477034 61712215551 123424431102