23505507 has 6 divisors (see below), whose sum is σ = 33952412. Its totient is φ = 15670332.

The previous prime is 23505497. The next prime is 23505539. The reversal of 23505507 is 70550532.

It is not a de Polignac number, because 23505507 - 2⁴ = 23505491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23505707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1305853 + ... + 1305870.

Almost surely, 2^23505507 is an apocalyptic number.

23505507 is a deficient number, since it is larger than the sum of its proper divisors (10446905).

23505507 is a wasteful number, since it uses less digits than its factorization.

23505507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611729 (or 2611726 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 23505507 is about 4848.2478278240. The cubic root of 23505507 is about 286.4550883065.

The spelling of 23505507 in words is "twenty-three million, five hundred five thousand, five hundred seven".