23380139 has 2 divisors, whose sum is σ = 23380140. Its totient is φ = 23380138.

The previous prime is 23380081. The next prime is 23380163. The reversal of 23380139 is 93108332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23380139 - 2¹² = 23376043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23080139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11690069 + 11690070.

It is an arithmetic number, because the mean of its divisors is an integer number (11690070).

Almost surely, 2^23380139 is an apocalyptic number.

23380139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23380139 is an equidigital number, since it uses as much as digits as its factorization.

23380139 is an odious number, because the sum of its binary digits is odd.

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

The square root of 23380139 is about 4835.3013349739. The cubic root of 23380139 is about 285.9449051941.

The spelling of 23380139 in words is "twenty-three million, three hundred eighty thousand, one hundred thirty-nine".