23601931 has 4 divisors (see below), whose sum is σ = 23618952. Its totient is φ = 23584912.

The previous prime is 23601923. The next prime is 23601959. The reversal of 23601931 is 13910632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23601931 - 2³ = 23601923 is a prime.

It is a super-2 number, since 2×23601931² = 1114102293857522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23601896 and 23601905.

It is not an unprimeable number, because it can be changed into a prime (23601131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6226 + ... + 9271.

It is an arithmetic number, because the mean of its divisors is an integer number (5904738).

Almost surely, 2^23601931 is an apocalyptic number.

23601931 is a deficient number, since it is larger than the sum of its proper divisors (17021).

23601931 is a wasteful number, since it uses less digits than its factorization.

23601931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17020.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 23601931 is about 4858.1818615610. The cubic root of 23601931 is about 286.8462514246.

The spelling of 23601931 in words is "twenty-three million, six hundred one thousand, nine hundred thirty-one".