23817939419 has 2 divisors, whose sum is σ = 23817939420. Its totient is φ = 23817939418.

The previous prime is 23817939407. The next prime is 23817939427. The reversal of 23817939419 is 91493971832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23817939419 - 2¹⁶ = 23817873883 is a prime.

It is a super-2 number, since 2×23817939419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23817939449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11908969709 + 11908969710.

It is an arithmetic number, because the mean of its divisors is an integer number (11908969710).

Almost surely, 2^23817939419 is an apocalyptic number.

23817939419 is a deficient number, since it is larger than the sum of its proper divisors (1).

23817939419 is an equidigital number, since it uses as much as digits as its factorization.

23817939419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 56.

The spelling of 23817939419 in words is "twenty-three billion, eight hundred seventeen million, nine hundred thirty-nine thousand, four hundred nineteen".