23440025422493 has 2 divisors, whose sum is σ = 23440025422494. Its totient is φ = 23440025422492.

The previous prime is 23440025422417. The next prime is 23440025422543. The reversal of 23440025422493 is 39422452004432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17922539184004 + 5517486238489 = 4233502^2 + 2348933^2 .

It is a cyclic number.

It is not a de Polignac number, because 23440025422493 - 2²⁸ = 23439756987037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23440025422403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720012711246 + 11720012711247.

It is an arithmetic number, because the mean of its divisors is an integer number (11720012711247).

Almost surely, 2^{23440025422493} is an apocalyptic number.

It is an amenable number.

23440025422493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23440025422493 is an equidigital number, since it uses as much as digits as its factorization.

23440025422493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 23440025422493 in words is "twenty-three trillion, four hundred forty billion, twenty-five million, four hundred twenty-two thousand, four hundred ninety-three".