23614256509 has 2 divisors, whose sum is σ = 23614256510. Its totient is φ = 23614256508.

The previous prime is 23614256467. The next prime is 23614256543. The reversal of 23614256509 is 90565241632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19710756025 + 3903500484 = 140395^2 + 62478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23614256509 is a prime.

It is a super-2 number, since 2×23614256509² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23614256569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11807128254 + 11807128255.

It is an arithmetic number, because the mean of its divisors is an integer number (11807128255).

Almost surely, 2^23614256509 is an apocalyptic number.

It is an amenable number.

23614256509 is a deficient number, since it is larger than the sum of its proper divisors (1).

23614256509 is an equidigital number, since it uses as much as digits as its factorization.

23614256509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 23614256509 in words is "twenty-three billion, six hundred fourteen million, two hundred fifty-six thousand, five hundred nine".