23201323231 has 2 divisors, whose sum is σ = 23201323232. Its totient is φ = 23201323230.

The previous prime is 23201323219. The next prime is 23201323237. The reversal of 23201323231 is 13232310232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23201323231 - 2¹⁷ = 23201192159 is a prime.

It is a super-2 number, since 2×23201323231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23201323237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600661615 + 11600661616.

It is an arithmetic number, because the mean of its divisors is an integer number (11600661616).

Almost surely, 2^23201323231 is an apocalyptic number.

23201323231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201323231 is an equidigital number, since it uses as much as digits as its factorization.

23201323231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23201323231 its reverse (13232310232), we get a palindrome (36433633463).

The spelling of 23201323231 in words is "twenty-three billion, two hundred one million, three hundred twenty-three thousand, two hundred thirty-one".