23122321139 has 2 divisors, whose sum is σ = 23122321140. Its totient is φ = 23122321138.

The previous prime is 23122321069. The next prime is 23122321259. The reversal of 23122321139 is 93112322132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23122321139 is a prime.

It is not a weakly prime, because it can be changed into another prime (23122321939) 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, 11561160569 + 11561160570.

It is an arithmetic number, because the mean of its divisors is an integer number (11561160570).

Almost surely, 2^23122321139 is an apocalyptic number.

23122321139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23122321139 is an equidigital number, since it uses as much as digits as its factorization.

23122321139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The spelling of 23122321139 in words is "twenty-three billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred thirty-nine".