23477479 has 2 divisors, whose sum is σ = 23477480. Its totient is φ = 23477478.

The previous prime is 23477477. The next prime is 23477539. The reversal of 23477479 is 97477432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23477479 - 2¹ = 23477477 is a prime.

Together with 23477477, 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 (23477477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11738739 + 11738740.

It is an arithmetic number, because the mean of its divisors is an integer number (11738740).

Almost surely, 2^23477479 is an apocalyptic number.

23477479 is a deficient number, since it is larger than the sum of its proper divisors (1).

23477479 is an equidigital number, since it uses as much as digits as its factorization.

23477479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 43.

The square root of 23477479 is about 4845.3564368372. The cubic root of 23477479 is about 286.3411865372.

The spelling of 23477479 in words is "twenty-three million, four hundred seventy-seven thousand, four hundred seventy-nine".