123312110032 has 20 divisors (see below), whose sum is σ = 238931334400. Its totient is φ = 61652410848.

The previous prime is 123312109997. The next prime is 123312110041. The reversal of 123312110032 is 230011213321.

It is a junction number, because it is equal to n+sod(n) for n = 123312109991 and 123312110009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62623 + ... + 500545.

It is an arithmetic number, because the mean of its divisors is an integer number (11946566720).

Almost surely, 2^123312110032 is an apocalyptic number.

It is an amenable number.

123312110032 is a deficient number, since it is larger than the sum of its proper divisors (115619224368).

123312110032 is a wasteful number, since it uses less digits than its factorization.

123312110032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455530 (or 455524 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123312110032 its reverse (230011213321), we get a palindrome (353323323353).

The spelling of 123312110032 in words is "one hundred twenty-three billion, three hundred twelve million, one hundred ten thousand, thirty-two".