23221100303231 has 2 divisors, whose sum is σ = 23221100303232. Its totient is φ = 23221100303230.

The previous prime is 23221100303213. The next prime is 23221100303251. The reversal of 23221100303231 is 13230300112232.

Together with previous prime (23221100303213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23221100303231 - 2¹⁰ = 23221100302207 is a prime.

It is a super-2 number, since 2×23221100303231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23221100303197 and 23221100303206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23221100303201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610550151615 + 11610550151616.

It is an arithmetic number, because the mean of its divisors is an integer number (11610550151616).

Almost surely, 2^{23221100303231} is an apocalyptic number.

23221100303231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221100303231 is an equidigital number, since it uses as much as digits as its factorization.

23221100303231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23221100303231 its reverse (13230300112232), we get a palindrome (36451400415463).

The spelling of 23221100303231 in words is "twenty-three trillion, two hundred twenty-one billion, one hundred million, three hundred three thousand, two hundred thirty-one".