23919004481 has 2 divisors, whose sum is σ = 23919004482. Its totient is φ = 23919004480.

The previous prime is 23919004457. The next prime is 23919004493. The reversal of 23919004481 is 18440091932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23789977600 + 129026881 = 154240^2 + 11359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23919004481 is a prime.

It is a super-2 number, since 2×23919004481² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23919004181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11959502240 + 11959502241.

It is an arithmetic number, because the mean of its divisors is an integer number (11959502241).

Almost surely, 2^23919004481 is an apocalyptic number.

It is an amenable number.

23919004481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23919004481 is an equidigital number, since it uses as much as digits as its factorization.

23919004481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 23919004481 in words is "twenty-three billion, nine hundred nineteen million, four thousand, four hundred eighty-one".