23009536 has 36 divisors (see below), whose sum is σ = 50110704. Its totient is φ = 10457600.

The previous prime is 23009521. The next prime is 23009611. The reversal of 23009536 is 63590032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270 + ... + 6901.

It is an arithmetic number, because the mean of its divisors is an integer number (1391964).

Almost surely, 2^23009536 is an apocalyptic number.

It is an amenable number.

23009536 is an abundant number, since it is smaller than the sum of its proper divisors (27101168).

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

23009536 is an equidigital number, since it uses as much as digits as its factorization.

23009536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198 (or 8184 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 23009536 is about 4796.8256170096. The cubic root of 23009536 is about 284.4259956206.

Adding to 23009536 its reverse (63590032), we get a palindrome (86599568).

The spelling of 23009536 in words is "twenty-three million, nine thousand, five hundred thirty-six".