23928111723 has 4 divisors (see below), whose sum is σ = 31904148968. Its totient is φ = 15952074480.

The previous prime is 23928111689. The next prime is 23928111731. The reversal of 23928111723 is 32711182932.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23928111723 - 2⁹ = 23928111211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23928111733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3988018618 + ... + 3988018623.

It is an arithmetic number, because the mean of its divisors is an integer number (7976037242).

Almost surely, 2^23928111723 is an apocalyptic number.

23928111723 is a deficient number, since it is larger than the sum of its proper divisors (7976037245).

23928111723 is an equidigital number, since it uses as much as digits as its factorization.

23928111723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7976037244.

The product of its digits is 36288, while the sum is 39.

The spelling of 23928111723 in words is "twenty-three billion, nine hundred twenty-eight million, one hundred eleven thousand, seven hundred twenty-three".