23321200139 has 2 divisors, whose sum is σ = 23321200140. Its totient is φ = 23321200138.

The previous prime is 23321200099. The next prime is 23321200141. The reversal of 23321200139 is 93100212332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23321200139 is a prime.

Together with 23321200141, 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 (23321200169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660600069 + 11660600070.

It is an arithmetic number, because the mean of its divisors is an integer number (11660600070).

Almost surely, 2^23321200139 is an apocalyptic number.

23321200139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23321200139 is an equidigital number, since it uses as much as digits as its factorization.

23321200139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 23321200139 in words is "twenty-three billion, three hundred twenty-one million, two hundred thousand, one hundred thirty-nine".