23201321071 has 2 divisors, whose sum is σ = 23201321072. Its totient is φ = 23201321070.

The previous prime is 23201321053. The next prime is 23201321167. The reversal of 23201321071 is 17012310232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23201321071 - 2⁷ = 23201320943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23201321371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600660535 + 11600660536.

It is an arithmetic number, because the mean of its divisors is an integer number (11600660536).

Almost surely, 2^23201321071 is an apocalyptic number.

23201321071 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201321071 is an equidigital number, since it uses as much as digits as its factorization.

23201321071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The spelling of 23201321071 in words is "twenty-three billion, two hundred one million, three hundred twenty-one thousand, seventy-one".