123013400133052 has 24 divisors (see below), whose sum is σ = 252908668806192. Its totient is φ = 51614014041600.

The previous prime is 123013400132999. The next prime is 123013400133079. The reversal of 123013400133052 is 250331004310321.

It is a super-2 number, since 2×123013400133052² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123013400133052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107529195349 + ... + 107529196492.

It is an arithmetic number, because the mean of its divisors is an integer number (10537861200258).

Almost surely, 2^{123013400133052} is an apocalyptic number.

It is an amenable number.

123013400133052 is an abundant number, since it is smaller than the sum of its proper divisors (129895268673140).

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

123013400133052 is a wasteful number, since it uses less digits than its factorization.

123013400133052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215058391869 (or 215058391867 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 123013400133052 its reverse (250331004310321), we get a palindrome (373344404443373).

The spelling of 123013400133052 in words is "one hundred twenty-three trillion, thirteen billion, four hundred million, one hundred thirty-three thousand, fifty-two".