23102939 has 4 divisors (see below), whose sum is σ = 23236656. Its totient is φ = 22969224.

The previous prime is 23102929. The next prime is 23102941. The reversal of 23102939 is 93920132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23102939 - 2⁴ = 23102923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23102909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66599 + ... + 66944.

It is an arithmetic number, because the mean of its divisors is an integer number (5809164).

Almost surely, 2^23102939 is an apocalyptic number.

23102939 is a deficient number, since it is larger than the sum of its proper divisors (133717).

23102939 is a wasteful number, since it uses less digits than its factorization.

23102939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133716.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 23102939 is about 4806.5516745376. The cubic root of 23102939 is about 284.8103344614.

The spelling of 23102939 in words is "twenty-three million, one hundred two thousand, nine hundred thirty-nine".