123640160264 has 16 divisors (see below), whose sum is σ = 244026632400. Its totient is φ = 58566391632.

The previous prime is 123640160257. The next prime is 123640160279. The reversal of 123640160264 is 462061046321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406710902 + ... + 406711205.

It is an arithmetic number, because the mean of its divisors is an integer number (15251664525).

Almost surely, 2^123640160264 is an apocalyptic number.

It is an amenable number.

123640160264 is a deficient number, since it is larger than the sum of its proper divisors (120386472136).

123640160264 is a wasteful number, since it uses less digits than its factorization.

123640160264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813422132 (or 813422128 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 123640160264 in words is "one hundred twenty-three billion, six hundred forty million, one hundred sixty thousand, two hundred sixty-four".