23028939 has 24 divisors (see below), whose sum is σ = 34944000. Its totient is φ = 14595120.

The previous prime is 23028937. The next prime is 23028947. The reversal of 23028939 is 93982032.

It is not a de Polignac number, because 23028939 - 2¹ = 23028937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23028937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15762 + ... + 17160.

It is an arithmetic number, because the mean of its divisors is an integer number (1456000).

Almost surely, 2^23028939 is an apocalyptic number.

23028939 is a deficient number, since it is larger than the sum of its proper divisors (11915061).

23028939 is a wasteful number, since it uses less digits than its factorization.

23028939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 23028939 is about 4798.8476741818. The cubic root of 23028939 is about 284.5059214259.

The spelling of 23028939 in words is "twenty-three million, twenty-eight thousand, nine hundred thirty-nine".