23499705 has 32 divisors (see below), whose sum is σ = 39287808. Its totient is φ = 11980800.

The previous prime is 23499689. The next prime is 23499719. The reversal of 23499705 is 50799432.

It is not a de Polignac number, because 23499705 - 2⁴ = 23499689 is a prime.

It is a super-2 number, since 2×23499705² = 1104472270174050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44845 + ... + 45365.

It is an arithmetic number, because the mean of its divisors is an integer number (1227744).

Almost surely, 2^23499705 is an apocalyptic number.

It is an amenable number.

23499705 is a deficient number, since it is larger than the sum of its proper divisors (15788103).

23499705 is a wasteful number, since it uses less digits than its factorization.

23499705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 23499705 is about 4847.6494303941. The cubic root of 23499705 is about 286.4315172459.

The spelling of 23499705 in words is "twenty-three million, four hundred ninety-nine thousand, seven hundred five".