23135479 has 2 divisors, whose sum is σ = 23135480. Its totient is φ = 23135478.

The previous prime is 23135477. The next prime is 23135501. The reversal of 23135479 is 97453132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23135479 - 2¹ = 23135477 is a prime.

Together with 23135477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23135473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11567739 + 11567740.

It is an arithmetic number, because the mean of its divisors is an integer number (11567740).

Almost surely, 2^23135479 is an apocalyptic number.

23135479 is a deficient number, since it is larger than the sum of its proper divisors (1).

23135479 is an equidigital number, since it uses as much as digits as its factorization.

23135479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 23135479 is about 4809.9354465523. The cubic root of 23135479 is about 284.9439881718.

The spelling of 23135479 in words is "twenty-three million, one hundred thirty-five thousand, four hundred seventy-nine".