23210320201231 has 2 divisors, whose sum is σ = 23210320201232. Its totient is φ = 23210320201230.

The previous prime is 23210320201177. The next prime is 23210320201249. The reversal of 23210320201231 is 13210202301232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23210320201231 is a prime.

It is a super-2 number, since 2×23210320201231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23210320201031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605160100615 + 11605160100616.

It is an arithmetic number, because the mean of its divisors is an integer number (11605160100616).

Almost surely, 2^{23210320201231} is an apocalyptic number.

23210320201231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23210320201231 is an equidigital number, since it uses as much as digits as its factorization.

23210320201231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23210320201231 its reverse (13210202301232), we get a palindrome (36420522502463).

The spelling of 23210320201231 in words is "twenty-three trillion, two hundred ten billion, three hundred twenty million, two hundred one thousand, two hundred thirty-one".