23125566 has 32 divisors (see below), whose sum is σ = 48254976. Its totient is φ = 7380000.

The previous prime is 23125523. The next prime is 23125579. The reversal of 23125566 is 66552132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18171 + ... + 19401.

It is an arithmetic number, because the mean of its divisors is an integer number (1507968).

Almost surely, 2^23125566 is an apocalyptic number.

23125566 is an abundant number, since it is smaller than the sum of its proper divisors (25129410).

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

23125566 is a wasteful number, since it uses less digits than its factorization.

23125566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368.

The product of its digits is 10800, while the sum is 30.

The square root of 23125566 is about 4808.9048649355. The cubic root of 23125566 is about 284.9032851275.

Adding to 23125566 its reverse (66552132), we get a palindrome (89677698).

The spelling of 23125566 in words is "twenty-three million, one hundred twenty-five thousand, five hundred sixty-six".