23440774319 has 2 divisors, whose sum is σ = 23440774320. Its totient is φ = 23440774318.

The previous prime is 23440774307. The next prime is 23440774349. The reversal of 23440774319 is 91347704432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23440774319 - 2²⁸ = 23172338863 is a prime.

It is a super-2 number, since 2×23440774319² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23440774319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23440774349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720387159 + 11720387160.

It is an arithmetic number, because the mean of its divisors is an integer number (11720387160).

Almost surely, 2^23440774319 is an apocalyptic number.

23440774319 is a deficient number, since it is larger than the sum of its proper divisors (1).

23440774319 is an equidigital number, since it uses as much as digits as its factorization.

23440774319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 23440774319 in words is "twenty-three billion, four hundred forty million, seven hundred seventy-four thousand, three hundred nineteen".