23010139 has 2 divisors, whose sum is σ = 23010140. Its totient is φ = 23010138.

The previous prime is 23010131. The next prime is 23010151. The reversal of 23010139 is 93101032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23010139 - 2³ = 23010131 is a prime.

It is not a weakly prime, because it can be changed into another prime (23010131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505069 + 11505070.

It is an arithmetic number, because the mean of its divisors is an integer number (11505070).

Almost surely, 2^23010139 is an apocalyptic number.

23010139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23010139 is an equidigital number, since it uses as much as digits as its factorization.

23010139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 23010139 is about 4796.8884706651. Note that the first 3 decimals coincide. The cubic root of 23010139 is about 284.4284802046.

The spelling of 23010139 in words is "twenty-three million, ten thousand, one hundred thirty-nine".