23504081 has 12 divisors (see below), whose sum is σ = 25169088. Its totient is φ = 21943872.

The previous prime is 23504077. The next prime is 23504087. The reversal of 23504081 is 18040532.

It is not a de Polignac number, because 23504081 - 2² = 23504077 is a prime.

It is a super-2 number, since 2×23504081² = 1104883647309122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23504087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48020 + ... + 48506.

It is an arithmetic number, because the mean of its divisors is an integer number (2097424).

Almost surely, 2^23504081 is an apocalyptic number.

It is an amenable number.

23504081 is a deficient number, since it is larger than the sum of its proper divisors (1665007).

23504081 is a wasteful number, since it uses less digits than its factorization.

23504081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 23504081 is about 4848.1007621542. The cubic root of 23504081 is about 286.4492954339.

The spelling of 23504081 in words is "twenty-three million, five hundred four thousand, eighty-one".