23755139 has 2 divisors, whose sum is σ = 23755140. Its totient is φ = 23755138.

The previous prime is 23755093. The next prime is 23755153. The reversal of 23755139 is 93155732.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23755139 - 2¹² = 23751043 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23755099 and 23755108.

It is not a weakly prime, because it can be changed into another prime (23755189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11877569 + 11877570.

It is an arithmetic number, because the mean of its divisors is an integer number (11877570).

Almost surely, 2^23755139 is an apocalyptic number.

23755139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23755139 is an equidigital number, since it uses as much as digits as its factorization.

23755139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 35.

The square root of 23755139 is about 4873.9243941612. The cubic root of 23755139 is about 287.4655847904.

The spelling of 23755139 in words is "twenty-three million, seven hundred fifty-five thousand, one hundred thirty-nine".