423312619 has 4 divisors (see below), whose sum is σ = 429111496. Its totient is φ = 417513744.

The previous prime is 423312613. The next prime is 423312679. The reversal of 423312619 is 916213324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423312619 - 2⁹ = 423312107 is a prime.

It is a super-2 number, since 2×423312619² = 358387146809278322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423312613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2899329 + ... + 2899474.

It is an arithmetic number, because the mean of its divisors is an integer number (107277874).

Almost surely, 2^423312619 is an apocalyptic number.

423312619 is a deficient number, since it is larger than the sum of its proper divisors (5798877).

423312619 is an equidigital number, since it uses as much as digits as its factorization.

423312619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798876.

The product of its digits is 7776, while the sum is 31.

The square root of 423312619 is about 20574.5624254806. The cubic root of 423312619 is about 750.8509565026.

The spelling of 423312619 in words is "four hundred twenty-three million, three hundred twelve thousand, six hundred nineteen".