23713841819 has 4 divisors (see below), whose sum is σ = 23740698696. Its totient is φ = 23686984944.

The previous prime is 23713841761. The next prime is 23713841839. The reversal of 23713841819 is 91814831732.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23713841819 is a prime.

It is a super-2 number, since 2×23713841819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23713841839) 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, 13427114 + ... + 13428879.

It is an arithmetic number, because the mean of its divisors is an integer number (5935174674).

Almost surely, 2^23713841819 is an apocalyptic number.

23713841819 is a deficient number, since it is larger than the sum of its proper divisors (26856877).

23713841819 is an equidigital number, since it uses as much as digits as its factorization.

23713841819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26856876.

The product of its digits is 290304, while the sum is 47.

The spelling of 23713841819 in words is "twenty-three billion, seven hundred thirteen million, eight hundred forty-one thousand, eight hundred nineteen".