23473257 has 16 divisors (see below), whose sum is σ = 32132352. Its totient is φ = 15235200.

The previous prime is 23473253. The next prime is 23473273. The reversal of 23473257 is 75237432.

It is not a de Polignac number, because 23473257 - 2² = 23473253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23473253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38757 + ... + 39357.

It is an arithmetic number, because the mean of its divisors is an integer number (2008272).

Almost surely, 2^23473257 is an apocalyptic number.

It is an amenable number.

23473257 is a deficient number, since it is larger than the sum of its proper divisors (8659095).

23473257 is a wasteful number, since it uses less digits than its factorization.

23473257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its digits is 35280, while the sum is 33.

The square root of 23473257 is about 4844.9207423858. The cubic root of 23473257 is about 286.3240210803.

The spelling of 23473257 in words is "twenty-three million, four hundred seventy-three thousand, two hundred fifty-seven".