231236692648 has 64 divisors (see below), whose sum is σ = 468438203520. Its totient is φ = 106378272000.

The previous prime is 231236692637. The next prime is 231236692679. The reversal of 231236692648 is 846296632132.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 231236692595 and 231236692604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46702573 + ... + 46707523.

It is an arithmetic number, because the mean of its divisors is an integer number (7319346930).

Almost surely, 2^231236692648 is an apocalyptic number.

It is an amenable number.

231236692648 is an abundant number, since it is smaller than the sum of its proper divisors (237201510872).

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

231236692648 is a wasteful number, since it uses less digits than its factorization.

231236692648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6338 (or 6334 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 52.

The spelling of 231236692648 in words is "two hundred thirty-one billion, two hundred thirty-six million, six hundred ninety-two thousand, six hundred forty-eight".