23440727 has 2 divisors, whose sum is σ = 23440728. Its totient is φ = 23440726.

The previous prime is 23440693. The next prime is 23440757. The reversal of 23440727 is 72704432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23440727 - 2⁶ = 23440663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23440727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23440757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720363 + 11720364.

It is an arithmetic number, because the mean of its divisors is an integer number (11720364).

Almost surely, 2^23440727 is an apocalyptic number.

23440727 is a deficient number, since it is larger than the sum of its proper divisors (1).

23440727 is an equidigital number, since it uses as much as digits as its factorization.

23440727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 23440727 is about 4841.5624544149. The cubic root of 23440727 is about 286.1916942324.

The spelling of 23440727 in words is "twenty-three million, four hundred forty thousand, seven hundred twenty-seven".