23380528 has 10 divisors (see below), whose sum is σ = 45299804. Its totient is φ = 11690256.

The previous prime is 23380517. The next prime is 23380529. The reversal of 23380528 is 82508332.

It is a self number, because there is not a number n which added to its sum of digits gives 23380528.

It is not an unprimeable number, because it can be changed into a prime (23380529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730626 + ... + 730657.

Almost surely, 2^23380528 is an apocalyptic number.

It is an amenable number.

23380528 is a deficient number, since it is larger than the sum of its proper divisors (21919276).

23380528 is a wasteful number, since it uses less digits than its factorization.

23380528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461291 (or 1461285 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 23380528 is about 4835.3415598073. The cubic root of 23380528 is about 285.9464910408.

The spelling of 23380528 in words is "twenty-three million, three hundred eighty thousand, five hundred twenty-eight".