423126619 has 2 divisors, whose sum is σ = 423126620. Its totient is φ = 423126618.

The previous prime is 423126611. The next prime is 423126679. The reversal of 423126619 is 916621324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423126619 - 2³ = 423126611 is a prime.

It is a super-2 number, since 2×423126619² = 358072271412742322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423126611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211563309 + 211563310.

It is an arithmetic number, because the mean of its divisors is an integer number (211563310).

Almost surely, 2^423126619 is an apocalyptic number.

423126619 is a deficient number, since it is larger than the sum of its proper divisors (1).

423126619 is an equidigital number, since it uses as much as digits as its factorization.

423126619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 423126619 is about 20570.0417841092. The cubic root of 423126619 is about 750.7409678626.

The spelling of 423126619 in words is "four hundred twenty-three million, one hundred twenty-six thousand, six hundred nineteen".