23122222139 has 2 divisors, whose sum is σ = 23122222140. Its totient is φ = 23122222138.

The previous prime is 23122222127. The next prime is 23122222141. The reversal of 23122222139 is 93122222132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23122222139 is a prime.

Together with 23122222141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23122222169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561111069 + 11561111070.

It is an arithmetic number, because the mean of its divisors is an integer number (11561111070).

Almost surely, 2^23122222139 is an apocalyptic number.

23122222139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23122222139 is an equidigital number, since it uses as much as digits as its factorization.

23122222139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The spelling of 23122222139 in words is "twenty-three billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred thirty-nine".