231093456 has 40 divisors (see below), whose sum is σ = 651264864. Its totient is φ = 70028160.

The previous prime is 231093449. The next prime is 231093503. The reversal of 231093456 is 654390132.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218311 + ... + 219366.

Almost surely, 2^231093456 is an apocalyptic number.

It is an amenable number.

231093456 is an abundant number, since it is smaller than the sum of its proper divisors (420171408).

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

231093456 is a wasteful number, since it uses less digits than its factorization.

231093456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437699 (or 437693 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 231093456 is about 15201.7583193524. The cubic root of 231093456 is about 613.6619783536.

It can be divided in two parts, 23109 and 3456, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 231093456 in words is "two hundred thirty-one million, ninety-three thousand, four hundred fifty-six".