231656473073044 has 24 divisors (see below), whose sum is σ = 414837294169760. Its totient is φ = 113131669369824.

The previous prime is 231656473073041. The next prime is 231656473073059. The reversal of 231656473073044 is 440370374656132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231656473073041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10418994 + ... + 23913769.

Almost surely, 2^{231656473073044} is an apocalyptic number.

It is an amenable number.

231656473073044 is a deficient number, since it is larger than the sum of its proper divisors (183180821096716).

231656473073044 is a wasteful number, since it uses less digits than its factorization.

231656473073044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34372039 (or 34372037 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 55.

The spelling of 231656473073044 in words is "two hundred thirty-one trillion, six hundred fifty-six billion, four hundred seventy-three million, seventy-three thousand, forty-four".