23222255431321 has 2 divisors, whose sum is σ = 23222255431322. Its totient is φ = 23222255431320.

The previous prime is 23222255431229. The next prime is 23222255431367. The reversal of 23222255431321 is 12313455222232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22361880457225 + 860374974096 = 4728835^2 + 927564^2 .

It is a cyclic number.

It is not a de Polignac number, because 23222255431321 - 2²⁹ = 23221718560409 is a prime.

It is not a weakly prime, because it can be changed into another prime (23222255434321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611127715660 + 11611127715661.

It is an arithmetic number, because the mean of its divisors is an integer number (11611127715661).

Almost surely, 2^{23222255431321} is an apocalyptic number.

It is an amenable number.

23222255431321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23222255431321 is an equidigital number, since it uses as much as digits as its factorization.

23222255431321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 37.

The spelling of 23222255431321 in words is "twenty-three trillion, two hundred twenty-two billion, two hundred fifty-five million, four hundred thirty-one thousand, three hundred twenty-one".