23723158387 has 16 divisors (see below), whose sum is σ = 24972030720. Its totient is φ = 22493145312.

The previous prime is 23723158373. The next prime is 23723158411. The reversal of 23723158387 is 78385132732.

It is a cyclic number.

It is not a de Polignac number, because 23723158387 - 2¹¹ = 23723156339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23723158387.

It is not an unprimeable number, because it can be changed into a prime (23723158357) 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, 1450228 + ... + 1466494.

It is an arithmetic number, because the mean of its divisors is an integer number (1560751920).

Almost surely, 2^23723158387 is an apocalyptic number.

23723158387 is a deficient number, since it is larger than the sum of its proper divisors (1248872333).

23723158387 is a wasteful number, since it uses less digits than its factorization.

23723158387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16842.

The product of its digits is 1693440, while the sum is 49.

The spelling of 23723158387 in words is "twenty-three billion, seven hundred twenty-three million, one hundred fifty-eight thousand, three hundred eighty-seven".