23688479 has 2 divisors, whose sum is σ = 23688480. Its totient is φ = 23688478.

The previous prime is 23688451. The next prime is 23688491. The reversal of 23688479 is 97488632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23688479 - 2¹⁶ = 23622943 is a prime.

It is a super-2 number, since 2×23688479² = 1122288074666882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23688419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11844239 + 11844240.

It is an arithmetic number, because the mean of its divisors is an integer number (11844240).

Almost surely, 2^23688479 is an apocalyptic number.

23688479 is a deficient number, since it is larger than the sum of its proper divisors (1).

23688479 is an equidigital number, since it uses as much as digits as its factorization.

23688479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 23688479 is about 4867.0811581481. The cubic root of 23688479 is about 287.1964443181.

The spelling of 23688479 in words is "twenty-three million, six hundred eighty-eight thousand, four hundred seventy-nine".