23523867 has 6 divisors (see below), whose sum is σ = 33978932. Its totient is φ = 15682572.

The previous prime is 23523853. The next prime is 23523883. The reversal of 23523867 is 76832532.

It is not a de Polignac number, because 23523867 - 2⁶ = 23523803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23523817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1306873 + ... + 1306890.

Almost surely, 2^23523867 is an apocalyptic number.

23523867 is a deficient number, since it is larger than the sum of its proper divisors (10455065).

23523867 is a wasteful number, since it uses less digits than its factorization.

23523867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613769 (or 2613766 counting only the distinct ones).

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

The square root of 23523867 is about 4850.1409257876. The cubic root of 23523867 is about 286.5296516372.

The spelling of 23523867 in words is "twenty-three million, five hundred twenty-three thousand, eight hundred sixty-seven".