23223122231 has 2 divisors, whose sum is σ = 23223122232. Its totient is φ = 23223122230.

The previous prime is 23223122183. The next prime is 23223122239. The reversal of 23223122231 is 13222132232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23223122231 is a prime.

It is a super-2 number, since 2×23223122231² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 23223122197 and 23223122206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23223122239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611561115 + 11611561116.

It is an arithmetic number, because the mean of its divisors is an integer number (11611561116).

Almost surely, 2^23223122231 is an apocalyptic number.

23223122231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223122231 is an equidigital number, since it uses as much as digits as its factorization.

23223122231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

Adding to 23223122231 its reverse (13222132232), we get a palindrome (36445254463).

The spelling of 23223122231 in words is "twenty-three billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred thirty-one".