23120430439 has 2 divisors, whose sum is σ = 23120430440. Its totient is φ = 23120430438.

The previous prime is 23120430371. The next prime is 23120430451. The reversal of 23120430439 is 93403402132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23120430439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23120430439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23120430479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560215219 + 11560215220.

It is an arithmetic number, because the mean of its divisors is an integer number (11560215220).

Almost surely, 2^23120430439 is an apocalyptic number.

23120430439 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120430439 is an equidigital number, since it uses as much as digits as its factorization.

23120430439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 23120430439 in words is "twenty-three billion, one hundred twenty million, four hundred thirty thousand, four hundred thirty-nine".