23977613 has 8 divisors (see below), whose sum is σ = 26304096. Its totient is φ = 21675600.

The previous prime is 23977589. The next prime is 23977619. The reversal of 23977613 is 31677932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23977613 - 2⁶ = 23977549 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 (23977619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4031 + ... + 8012.

It is an arithmetic number, because the mean of its divisors is an integer number (3288012).

Almost surely, 2^23977613 is an apocalyptic number.

It is an amenable number.

23977613 is a deficient number, since it is larger than the sum of its proper divisors (2326483).

23977613 is a wasteful number, since it uses less digits than its factorization.

23977613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12235.

The product of its digits is 47628, while the sum is 38.

The square root of 23977613 is about 4896.6940888726. The cubic root of 23977613 is about 288.3601982683.

The spelling of 23977613 in words is "twenty-three million, nine hundred seventy-seven thousand, six hundred thirteen".