423057619 has 2 divisors, whose sum is σ = 423057620. Its totient is φ = 423057618.

The previous prime is 423057611. The next prime is 423057647. The reversal of 423057619 is 916750324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423057619 - 2³ = 423057611 is a prime.

It is a super-2 number, since 2×423057619² = 357955497987898322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423057611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211528809 + 211528810.

It is an arithmetic number, because the mean of its divisors is an integer number (211528810).

Almost surely, 2^423057619 is an apocalyptic number.

423057619 is a deficient number, since it is larger than the sum of its proper divisors (1).

423057619 is an equidigital number, since it uses as much as digits as its factorization.

423057619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 423057619 is about 20568.3645193292. The cubic root of 423057619 is about 750.7001574286.

The spelling of 423057619 in words is "four hundred twenty-three million, fifty-seven thousand, six hundred nineteen".