23223122331 has 4 divisors (see below), whose sum is σ = 30964163112. Its totient is φ = 15482081552.

The previous prime is 23223122311. The next prime is 23223122339. The reversal of 23223122331 is 13322132232.

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

It is a cyclic number.

It is not a de Polignac number, because 23223122331 - 2²⁵ = 23189567899 is a prime.

It is a super-2 number, since 2×23223122331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23223122339) 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, 3870520386 + ... + 3870520391.

It is an arithmetic number, because the mean of its divisors is an integer number (7741040778).

Almost surely, 2^23223122331 is an apocalyptic number.

23223122331 is a deficient number, since it is larger than the sum of its proper divisors (7741040781).

23223122331 is an equidigital number, since it uses as much as digits as its factorization.

23223122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7741040780.

The product of its digits is 2592, while the sum is 24.

Adding to 23223122331 its reverse (13322132232), we get a palindrome (36545254563).

Subtracting from 23223122331 its reverse (13322132232), we obtain a palindrome (9900990099).

The spelling of 23223122331 in words is "twenty-three billion, two hundred twenty-three million, one hundred twenty-two thousand, three hundred thirty-one".