23440240319 has 2 divisors, whose sum is σ = 23440240320. Its totient is φ = 23440240318.

The previous prime is 23440240289. The next prime is 23440240357. The reversal of 23440240319 is 91304204432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23440240319 - 2⁸ = 23440240063 is a prime.

It is a super-2 number, since 2×23440240319² (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 (23440240619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720120159 + 11720120160.

It is an arithmetic number, because the mean of its divisors is an integer number (11720120160).

Almost surely, 2^23440240319 is an apocalyptic number.

23440240319 is a deficient number, since it is larger than the sum of its proper divisors (1).

23440240319 is an equidigital number, since it uses as much as digits as its factorization.

23440240319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 23440240319 in words is "twenty-three billion, four hundred forty million, two hundred forty thousand, three hundred nineteen".