23978713 has 16 divisors (see below), whose sum is σ = 26790912. Its totient is φ = 21280000.

The previous prime is 23978711. The next prime is 23978749. The reversal of 23978713 is 31787932.

It is a cyclic number.

It is not a de Polignac number, because 23978713 - 2¹ = 23978711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23978711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125448 + ... + 125638.

It is an arithmetic number, because the mean of its divisors is an integer number (1674432).

Almost surely, 2^23978713 is an apocalyptic number.

It is an amenable number.

23978713 is a deficient number, since it is larger than the sum of its proper divisors (2812199).

23978713 is a wasteful number, since it uses less digits than its factorization.

23978713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its digits is 63504, while the sum is 40.

The square root of 23978713 is about 4896.8064082624. The cubic root of 23978713 is about 288.3646078171.

The spelling of 23978713 in words is "twenty-three million, nine hundred seventy-eight thousand, seven hundred thirteen".