423880619 has 2 divisors, whose sum is σ = 423880620. Its totient is φ = 423880618.

The previous prime is 423880609. The next prime is 423880657. The reversal of 423880619 is 916088324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423880619 - 2²⁸ = 155445163 is a prime.

It is a super-2 number, since 2×423880619² = 359349558327646322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423880609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211940309 + 211940310.

It is an arithmetic number, because the mean of its divisors is an integer number (211940310).

Almost surely, 2^423880619 is an apocalyptic number.

423880619 is a deficient number, since it is larger than the sum of its proper divisors (1).

423880619 is an equidigital number, since it uses as much as digits as its factorization.

423880619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 423880619 is about 20588.3612509592. The cubic root of 423880619 is about 751.1866364979.

The spelling of 423880619 in words is "four hundred twenty-three million, eight hundred eighty thousand, six hundred nineteen".