23943594419 has 2 divisors, whose sum is σ = 23943594420. Its totient is φ = 23943594418.

The previous prime is 23943594383. The next prime is 23943594421. The reversal of 23943594419 is 91449534932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23943594419 - 2¹² = 23943590323 is a prime.

It is a super-2 number, since 2×23943594419² (a number of 22 digits) contains 22 as substring.

Together with 23943594421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23943594119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11971797209 + 11971797210.

It is an arithmetic number, because the mean of its divisors is an integer number (11971797210).

Almost surely, 2^23943594419 is an apocalyptic number.

23943594419 is a deficient number, since it is larger than the sum of its proper divisors (1).

23943594419 is an equidigital number, since it uses as much as digits as its factorization.

23943594419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 53.

The spelling of 23943594419 in words is "twenty-three billion, nine hundred forty-three million, five hundred ninety-four thousand, four hundred nineteen".