23406479 has 4 divisors (see below), whose sum is σ = 24424176. Its totient is φ = 22388784.

The previous prime is 23406473. The next prime is 23406511. The reversal of 23406479 is 97460432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23406479 - 2⁴ = 23406463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23406473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508814 + ... + 508859.

It is an arithmetic number, because the mean of its divisors is an integer number (6106044).

Almost surely, 2^23406479 is an apocalyptic number.

23406479 is a deficient number, since it is larger than the sum of its proper divisors (1017697).

23406479 is a wasteful number, since it uses less digits than its factorization.

23406479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017696.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 23406479 is about 4838.0242868345. The cubic root of 23406479 is about 286.0522464741.

The spelling of 23406479 in words is "twenty-three million, four hundred six thousand, four hundred seventy-nine".