23493456 has 160 divisors (see below), whose sum is σ = 81780480. Its totient is φ = 6303744.

The previous prime is 23493433. The next prime is 23493487. The reversal of 23493456 is 65439432.

It is a hoax number, since the sum of its digits (36) 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 (36).

Its product of digits (77760) is a multiple of the sum of its prime divisors (486).

It is a self number, because there is not a number n which added to its sum of digits gives 23493456.

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 31 ways as a sum of consecutive naturals, for example, 51180 + ... + 51636.

It is an arithmetic number, because the mean of its divisors is an integer number (511128).

Almost surely, 2^23493456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23493456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40890240).

23493456 is an abundant number, since it is smaller than the sum of its proper divisors (58287024).

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

23493456 is a wasteful number, since it uses less digits than its factorization.

23493456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 486 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 23493456 is about 4847.0048483574. The cubic root of 23493456 is about 286.4061258742.

The spelling of 23493456 in words is "twenty-three million, four hundred ninety-three thousand, four hundred fifty-six".