23808723771 has 16 divisors (see below), whose sum is σ = 38414075904. Its totient is φ = 12804691584.

The previous prime is 23808723761. The next prime is 23808723779. The reversal of 23808723771 is 17732780832.

It is a happy number.

It is not a de Polignac number, because 23808723771 - 2¹⁴ = 23808707387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23808723771.

It is not an unprimeable number, because it can be changed into a prime (23808723779) 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, 33345195 + ... + 33345908.

It is an arithmetic number, because the mean of its divisors is an integer number (2400879744).

Almost surely, 2^23808723771 is an apocalyptic number.

23808723771 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23808723771 is a deficient number, since it is larger than the sum of its proper divisors (14605352133).

23808723771 is a wasteful number, since it uses less digits than its factorization.

23808723771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66691130.

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 23808723771 in words is "twenty-three billion, eight hundred eight million, seven hundred twenty-three thousand, seven hundred seventy-one".