23435239 has 2 divisors, whose sum is σ = 23435240. Its totient is φ = 23435238.

The previous prime is 23435221. The next prime is 23435257. The reversal of 23435239 is 93253432.

It is a balanced prime because it is at equal distance from previous prime (23435221) and next prime (23435257).

It is a cyclic number.

It is not a de Polignac number, because 23435239 - 2⁵ = 23435207 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23435239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23433239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11717619 + 11717620.

It is an arithmetic number, because the mean of its divisors is an integer number (11717620).

Almost surely, 2^23435239 is an apocalyptic number.

23435239 is a deficient number, since it is larger than the sum of its proper divisors (1).

23435239 is an equidigital number, since it uses as much as digits as its factorization.

23435239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 31.

The square root of 23435239 is about 4840.9956620514. The cubic root of 23435239 is about 286.1693578574.

The spelling of 23435239 in words is "twenty-three million, four hundred thirty-five thousand, two hundred thirty-nine".