23994479 has 2 divisors, whose sum is σ = 23994480. Its totient is φ = 23994478.

The previous prime is 23994461. The next prime is 23994499. The reversal of 23994479 is 97449932.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23994479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23994409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11997239 + 11997240.

It is an arithmetic number, because the mean of its divisors is an integer number (11997240).

Almost surely, 2^23994479 is an apocalyptic number.

23994479 is a deficient number, since it is larger than the sum of its proper divisors (1).

23994479 is an equidigital number, since it uses as much as digits as its factorization.

23994479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 23994479 is about 4898.4159684535. The cubic root of 23994479 is about 288.4277938655.

The spelling of 23994479 in words is "twenty-three million, nine hundred ninety-four thousand, four hundred seventy-nine".