231656424 has 16 divisors (see below), whose sum is σ = 579141120. Its totient is φ = 77218800.

The previous prime is 231656423. The next prime is 231656429. The reversal of 231656424 is 424656132.

231656424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231656423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4826152 + ... + 4826199.

It is an arithmetic number, because the mean of its divisors is an integer number (36196320).

Almost surely, 2^231656424 is an apocalyptic number.

231656424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231656424 is an abundant number, since it is smaller than the sum of its proper divisors (347484696).

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

231656424 is a wasteful number, since it uses less digits than its factorization.

231656424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9652360 (or 9652356 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 231656424 is about 15220.2635982430. The cubic root of 231656424 is about 614.1598893233.

The spelling of 231656424 in words is "two hundred thirty-one million, six hundred fifty-six thousand, four hundred twenty-four".