23713645747 has 8 divisors (see below), whose sum is σ = 26106767280. Its totient is φ = 21360080160.

The previous prime is 23713645733. The next prime is 23713645757. The reversal of 23713645747 is 74754631732.

It is a happy number.

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 23713645747 - 2³¹ = 21566162099 is a prime.

It is a super-2 number, since 2×23713645747² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23713645747.

It is not an unprimeable number, because it can be changed into a prime (23713645727) 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, 9887728 + ... + 9890125.

It is an arithmetic number, because the mean of its divisors is an integer number (3263345910).

Almost surely, 2^23713645747 is an apocalyptic number.

23713645747 is a deficient number, since it is larger than the sum of its proper divisors (2393121533).

23713645747 is a wasteful number, since it uses less digits than its factorization.

23713645747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19777973.

The product of its digits is 2963520, while the sum is 49.

The spelling of 23713645747 in words is "twenty-three billion, seven hundred thirteen million, six hundred forty-five thousand, seven hundred forty-seven".