23537628 has 30 divisors (see below), whose sum is σ = 61532856. Its totient is φ = 7845768.

The previous prime is 23537623. The next prime is 23537629. The reversal of 23537628 is 82673532.

23537628 is a `hidden beast` number, since 23 + 5 + 3 + 7 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23537592 and 23537601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23537621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 36000 + ... + 36647.

Almost surely, 2^23537628 is an apocalyptic number.

It is an amenable number.

23537628 is an abundant number, since it is smaller than the sum of its proper divisors (37995228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23537628 is a wasteful number, since it uses less digits than its factorization.

23537628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72663 (or 72652 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 23537628 is about 4851.5593369555. The cubic root of 23537628 is about 286.5855121516.

The spelling of 23537628 in words is "twenty-three million, five hundred thirty-seven thousand, six hundred twenty-eight".