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123421302333031 = 2316547932427943
BaseRepresentation
bin11100000100000001000010…
…111000100001111001100111
3121011222221221202201022200211
4130010001002320201321213
5112134113311344124111
61114254544043320251
734665615633164413
oct3404010270417147
9534887852638624
10123421302333031
113636475364239a
1211a13a60520087
1353b376aa166a1
1422698a137bd43
15e40710a10521
hex704042e21e67

123421302333031 has 8 divisors (see below), whose sum is σ = 128788228154880. Its totient is φ = 118054441698072.

The previous prime is 123421302333011. The next prime is 123421302333037. The reversal of 123421302333031 is 130333203124321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123421302333031 - 211 = 123421302330983 is a prime.

It is a super-2 number, since 2×1234213023330312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123421302332984 and 123421302333002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123421302333037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12407955 + ... + 20019988.

It is an arithmetic number, because the mean of its divisors is an integer number (16098528519360).

Almost surely, 2123421302333031 is an apocalyptic number.

123421302333031 is a deficient number, since it is larger than the sum of its proper divisors (5366925821849).

123421302333031 is a wasteful number, since it uses less digits than its factorization.

123421302333031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32593445.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 123421302333031 its reverse (130333203124321), we get a palindrome (253754505457352).

The spelling of 123421302333031 in words is "one hundred twenty-three trillion, four hundred twenty-one billion, three hundred two million, three hundred thirty-three thousand, thirty-one".

Divisors: 1 23 165479 3806017 32427943 745842689 5366143579697 123421302333031