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123412311433111 = 1949913016803231
BaseRepresentation
bin11100000011111000101010…
…111110111101111110010111
3121011222002202011202021122111
4130003320222332331332113
5112133441403211324421
61114250455545211451
734665150060614251
oct3403705276757627
9534862664667574
10123412311433111
113636095a4a7198
1211a12171490b87
1353b296710146c
14226928b254cd1
15e4038652eee1
hex703e2afbdf97

123412311433111 has 8 divisors (see below), whose sum is σ = 130168032320000. Its totient is φ = 116682624153720.

The previous prime is 123412311433109. The next prime is 123412311433121. The reversal of 123412311433111 is 111334113214321.

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 123412311433111 - 21 = 123412311433109 is a prime.

It is a super-2 number, since 2×1234123114331112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123412311433121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6508392135 + ... + 6508411096.

It is an arithmetic number, because the mean of its divisors is an integer number (16271004040000).

Almost surely, 2123412311433111 is an apocalyptic number.

123412311433111 is a deficient number, since it is larger than the sum of its proper divisors (6755720886889).

123412311433111 is a wasteful number, since it uses less digits than its factorization.

123412311433111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13016803749.

The product of its digits is 5184, while the sum is 31.

Adding to 123412311433111 its reverse (111334113214321), we get a palindrome (234746424647432).

The spelling of 123412311433111 in words is "one hundred twenty-three trillion, four hundred twelve billion, three hundred eleven million, four hundred thirty-three thousand, one hundred eleven".

Divisors: 1 19 499 9481 13016803231 247319261389 6495384812269 123412311433111