23741239 has 2 divisors, whose sum is σ = 23741240. Its totient is φ = 23741238.

The previous prime is 23741233. The next prime is 23741243. The reversal of 23741239 is 93214732.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23741239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23741239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23741233) 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, 11870619 + 11870620.

It is an arithmetic number, because the mean of its divisors is an integer number (11870620).

Almost surely, 2^23741239 is an apocalyptic number.

23741239 is a deficient number, since it is larger than the sum of its proper divisors (1).

23741239 is an equidigital number, since it uses as much as digits as its factorization.

23741239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 23741239 is about 4872.4982298611. The cubic root of 23741239 is about 287.4095049777.

The spelling of 23741239 in words is "twenty-three million, seven hundred forty-one thousand, two hundred thirty-nine".