423515419 has 2 divisors, whose sum is σ = 423515420. Its totient is φ = 423515418.

The previous prime is 423515387. The next prime is 423515429. The reversal of 423515419 is 914515324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423515419 - 2⁵ = 423515387 is a prime.

It is a super-2 number, since 2×423515419² = 358730620261491122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423515429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211757709 + 211757710.

It is an arithmetic number, because the mean of its divisors is an integer number (211757710).

Almost surely, 2^423515419 is an apocalyptic number.

423515419 is a deficient number, since it is larger than the sum of its proper divisors (1).

423515419 is an equidigital number, since it uses as much as digits as its factorization.

423515419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 423515419 is about 20579.4902512186. The cubic root of 423515419 is about 750.9708428913.

The spelling of 423515419 in words is "four hundred twenty-three million, five hundred fifteen thousand, four hundred nineteen".