23528918 has 48 divisors (see below), whose sum is σ = 45061920. Its totient is φ = 9144576.

The previous prime is 23528917. The next prime is 23528963. The reversal of 23528918 is 81982532.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23528917) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 48071 + ... + 48557.

It is an arithmetic number, because the mean of its divisors is an integer number (938790).

Almost surely, 2^23528918 is an apocalyptic number.

23528918 is a deficient number, since it is larger than the sum of its proper divisors (21533002).

23528918 is a wasteful number, since it uses less digits than its factorization.

23528918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 542 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 23528918 is about 4850.6616043587. The cubic root of 23528918 is about 286.5501578702.

The spelling of 23528918 in words is "twenty-three million, five hundred twenty-eight thousand, nine hundred eighteen".