23222723513 has 16 divisors (see below), whose sum is σ = 26465412096. Its totient is φ = 20170711440.

The previous prime is 23222723509. The next prime is 23222723581. The reversal of 23222723513 is 31532722232.

It is not a de Polignac number, because 23222723513 - 2² = 23222723509 is a prime.

It is a super-2 number, since 2×23222723513² (a number of 22 digits) contains 22 as substring.

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 23222723513.

It is not an unprimeable number, because it can be changed into a prime (23222723593) 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, 172670 + ... + 276152.

It is an arithmetic number, because the mean of its divisors is an integer number (1654088256).

Almost surely, 2^23222723513 is an apocalyptic number.

23222723513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23222723513 is a deficient number, since it is larger than the sum of its proper divisors (3242688583).

23222723513 is a wasteful number, since it uses less digits than its factorization.

23222723513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104404.

The product of its digits is 30240, while the sum is 32.

The spelling of 23222723513 in words is "twenty-three billion, two hundred twenty-two million, seven hundred twenty-three thousand, five hundred thirteen".