23427537 has 48 divisors (see below), whose sum is σ = 38610432. Its totient is φ = 12579840.

The previous prime is 23427527. The next prime is 23427539. The reversal of 23427537 is 73572432.

It is not a de Polignac number, because 23427537 - 2⁸ = 23427281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23427498 and 23427507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23427539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 241473 + ... + 241569.

It is an arithmetic number, because the mean of its divisors is an integer number (804384).

Almost surely, 2^23427537 is an apocalyptic number.

It is an amenable number.

23427537 is a deficient number, since it is larger than the sum of its proper divisors (15182895).

23427537 is a wasteful number, since it uses less digits than its factorization.

23427537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 191 counting only the distinct ones).

The product of its digits is 35280, while the sum is 33.

The square root of 23427537 is about 4840.2000991695. The cubic root of 23427537 is about 286.1380045338.

Adding to 23427537 its reverse (73572432), we get a palindrome (96999969).

The spelling of 23427537 in words is "twenty-three million, four hundred twenty-seven thousand, five hundred thirty-seven".