22323320231 has 4 divisors (see below), whose sum is σ = 22637733264. Its totient is φ = 22008907200.

The previous prime is 22323320179. The next prime is 22323320233. The reversal of 22323320231 is 13202332322.

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-22323320231 is a prime.

It is a super-3 number, since 3×22323320231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22323320197 and 22323320206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323320233) 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, 157206410 + ... + 157206551.

It is an arithmetic number, because the mean of its divisors is an integer number (5659433316).

Almost surely, 2^22323320231 is an apocalyptic number.

22323320231 is a deficient number, since it is larger than the sum of its proper divisors (314413033).

22323320231 is an equidigital number, since it uses as much as digits as its factorization.

22323320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314413032.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22323320231 its reverse (13202332322), we get a palindrome (35525652553).

The spelling of 22323320231 in words is "twenty-two billion, three hundred twenty-three million, three hundred twenty thousand, two hundred thirty-one".