23256490 has 16 divisors (see below), whose sum is σ = 41960448. Its totient is φ = 9280656.

The previous prime is 23256481. The next prime is 23256523. The reversal of 23256490 is 9465232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2119 + ... + 7141.

It is an arithmetic number, because the mean of its divisors is an integer number (2622528).

Almost surely, 2^23256490 is an apocalyptic number.

23256490 is a deficient number, since it is larger than the sum of its proper divisors (18703958).

23256490 is a wasteful number, since it uses less digits than its factorization.

23256490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 23256490 is about 4822.4983151889. The cubic root of 23256490 is about 285.4399279412.

The spelling of 23256490 in words is "twenty-three million, two hundred fifty-six thousand, four hundred ninety".