23455739 has 2 divisors, whose sum is σ = 23455740. Its totient is φ = 23455738.

The previous prime is 23455727. The next prime is 23455753. The reversal of 23455739 is 93755432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23455739 - 2²⁴ = 6678523 is a prime.

It is a super-2 number, since 2×23455739² = 1100343384072242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23455759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11727869 + 11727870.

It is an arithmetic number, because the mean of its divisors is an integer number (11727870).

Almost surely, 2^23455739 is an apocalyptic number.

23455739 is a deficient number, since it is larger than the sum of its proper divisors (1).

23455739 is an equidigital number, since it uses as much as digits as its factorization.

23455739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 38.

The square root of 23455739 is about 4843.1125322462. The cubic root of 23455739 is about 286.2527758545.

The spelling of 23455739 in words is "twenty-three million, four hundred fifty-five thousand, seven hundred thirty-nine".