23568731 has 2 divisors, whose sum is σ = 23568732. Its totient is φ = 23568730.

The previous prime is 23568679. The next prime is 23568733. The reversal of 23568731 is 13786532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23568731 - 2¹⁰ = 23567707 is a prime.

It is a super-2 number, since 2×23568731² = 1110970161900722, which contains 22 as substring.

Together with 23568733, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23568691 and 23568700.

It is not a weakly prime, because it can be changed into another prime (23568733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11784365 + 11784366.

It is an arithmetic number, because the mean of its divisors is an integer number (11784366).

Almost surely, 2^23568731 is an apocalyptic number.

23568731 is a deficient number, since it is larger than the sum of its proper divisors (1).

23568731 is an equidigital number, since it uses as much as digits as its factorization.

23568731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 23568731 is about 4854.7637429642. The cubic root of 23568731 is about 286.7116894912.

The spelling of 23568731 in words is "twenty-three million, five hundred sixty-eight thousand, seven hundred thirty-one".