23570457 has 4 divisors (see below), whose sum is σ = 31427280. Its totient is φ = 15713636.

The previous prime is 23570429. The next prime is 23570467. The reversal of 23570457 is 75407532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23570457 - 2⁷ = 23570329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23570467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3928407 + ... + 3928412.

It is an arithmetic number, because the mean of its divisors is an integer number (7856820).

Almost surely, 2^23570457 is an apocalyptic number.

It is an amenable number.

23570457 is a deficient number, since it is larger than the sum of its proper divisors (7856823).

23570457 is an equidigital number, since it uses as much as digits as its factorization.

23570457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7856822.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 23570457 is about 4854.9415032521. The cubic root of 23570457 is about 286.7186882034.

Adding to 23570457 its reverse (75407532), we get a palindrome (98977989).

The spelling of 23570457 in words is "twenty-three million, five hundred seventy thousand, four hundred fifty-seven".