231864376 has 32 divisors (see below), whose sum is σ = 449758080. Its totient is φ = 111945600.

The previous prime is 231864341. The next prime is 231864379. The reversal of 231864376 is 673468132.

It is a super-3 number, since 3×231864376³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231864379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167206 + ... + 168586.

It is an arithmetic number, because the mean of its divisors is an integer number (14054940).

Almost surely, 2^231864376 is an apocalyptic number.

It is an amenable number.

231864376 is a deficient number, since it is larger than the sum of its proper divisors (217893704).

231864376 is a wasteful number, since it uses less digits than its factorization.

231864376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095 (or 2091 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 231864376 is about 15227.0934849695. The cubic root of 231864376 is about 614.3436061950.

The spelling of 231864376 in words is "two hundred thirty-one million, eight hundred sixty-four thousand, three hundred seventy-six".