23622139 has 2 divisors, whose sum is σ = 23622140. Its totient is φ = 23622138.

The previous prime is 23622133. The next prime is 23622227. The reversal of 23622139 is 93122632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23622139 - 2¹⁷ = 23491067 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23622133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11811069 + 11811070.

It is an arithmetic number, because the mean of its divisors is an integer number (11811070).

Almost surely, 2^23622139 is an apocalyptic number.

23622139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23622139 is an equidigital number, since it uses as much as digits as its factorization.

23622139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 23622139 is about 4860.2612069723. The cubic root of 23622139 is about 286.9280940993.

The spelling of 23622139 in words is "twenty-three million, six hundred twenty-two thousand, one hundred thirty-nine".