123105672592 has 20 divisors (see below), whose sum is σ = 272591132416. Its totient is φ = 52759573920.

The previous prime is 123105672577. The next prime is 123105672607. The reversal of 123105672592 is 295276501321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123105672577) and next prime (123105672607).

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, 549578784 + ... + 549579007.

Almost surely, 2^123105672592 is an apocalyptic number.

It is an amenable number.

123105672592 is an abundant number, since it is smaller than the sum of its proper divisors (149485459824).

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

123105672592 is a wasteful number, since it uses less digits than its factorization.

123105672592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099157806 (or 1099157800 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 123105672592 in words is "one hundred twenty-three billion, one hundred five million, six hundred seventy-two thousand, five hundred ninety-two".