23427539 has 2 divisors, whose sum is σ = 23427540. Its totient is φ = 23427538.

The previous prime is 23427527. The next prime is 23427553. The reversal of 23427539 is 93572432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23427539 - 2¹² = 23423443 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23427499 and 23427508.

It is not a weakly prime, because it can be changed into another prime (23427739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11713769 + 11713770.

It is an arithmetic number, because the mean of its divisors is an integer number (11713770).

Almost surely, 2^23427539 is an apocalyptic number.

23427539 is a deficient number, since it is larger than the sum of its proper divisors (1).

23427539 is an equidigital number, since it uses as much as digits as its factorization.

23427539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 23427539 is about 4840.2003057725. The cubic root of 23427539 is about 286.1380126763.

The spelling of 23427539 in words is "twenty-three million, four hundred twenty-seven thousand, five hundred thirty-nine".