23539228 has 6 divisors (see below), whose sum is σ = 41193656. Its totient is φ = 11769612.

The previous prime is 23539181. The next prime is 23539249. The reversal of 23539228 is 82293532.

It is a junction number, because it is equal to n+sod(n) for n = 23539193 and 23539202.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2942400 + ... + 2942407.

Almost surely, 2^23539228 is an apocalyptic number.

It is an amenable number.

23539228 is a deficient number, since it is larger than the sum of its proper divisors (17654428).

23539228 is a wasteful number, since it uses less digits than its factorization.

23539228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884811 (or 5884809 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 23539228 is about 4851.7242295910. The cubic root of 23539228 is about 286.5920056753.

The spelling of 23539228 in words is "twenty-three million, five hundred thirty-nine thousand, two hundred twenty-eight".