23440352319919 has 2 divisors, whose sum is σ = 23440352319920. Its totient is φ = 23440352319918.

The previous prime is 23440352319911. The next prime is 23440352319929. The reversal of 23440352319919 is 91991325304432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23440352319919 - 2³ = 23440352319911 is a prime.

It is a super-2 number, since 2×23440352319919² (a number of 28 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 23440352319919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23440352319911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720176159959 + 11720176159960.

It is an arithmetic number, because the mean of its divisors is an integer number (11720176159960).

Almost surely, 2^{23440352319919} is an apocalyptic number.

23440352319919 is a deficient number, since it is larger than the sum of its proper divisors (1).

23440352319919 is an equidigital number, since it uses as much as digits as its factorization.

23440352319919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 23440352319919 in words is "twenty-three trillion, four hundred forty billion, three hundred fifty-two million, three hundred nineteen thousand, nine hundred nineteen".