23957419 has 2 divisors, whose sum is σ = 23957420. Its totient is φ = 23957418.

The previous prime is 23957377. The next prime is 23957429. The reversal of 23957419 is 91475932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23957419 - 2⁷ = 23957291 is a prime.

It is a super-2 number, since 2×23957419² = 1147915850283122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23957429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11978709 + 11978710.

It is an arithmetic number, because the mean of its divisors is an integer number (11978710).

Almost surely, 2^23957419 is an apocalyptic number.

23957419 is a deficient number, since it is larger than the sum of its proper divisors (1).

23957419 is an equidigital number, since it uses as much as digits as its factorization.

23957419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 23957419 is about 4894.6316511051. The cubic root of 23957419 is about 288.2792229940.

The spelling of 23957419 in words is "twenty-three million, nine hundred fifty-seven thousand, four hundred nineteen".