231373426392 has 24 divisors (see below), whose sum is σ = 626636363340. Its totient is φ = 77124475440.

The previous prime is 231373426337. The next prime is 231373426409. The reversal of 231373426392 is 293624373132.

231373426392 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 7 + 3 + 4 + 2 + 639 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1606759834 + ... + 1606759977.

Almost surely, 2^231373426392 is an apocalyptic number.

It is an amenable number.

231373426392 is an abundant number, since it is smaller than the sum of its proper divisors (395262936948).

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

231373426392 is a wasteful number, since it uses less digits than its factorization.

231373426392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213519823 (or 3213519816 counting only the distinct ones).

The product of its digits is 979776, while the sum is 45.

The spelling of 231373426392 in words is "two hundred thirty-one billion, three hundred seventy-three million, four hundred twenty-six thousand, three hundred ninety-two".