423124369 has 2 divisors, whose sum is σ = 423124370. Its totient is φ = 423124368.

The previous prime is 423124333. The next prime is 423124391. The reversal of 423124369 is 963421324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396209025 + 26915344 = 19905^2 + 5188^2 .

It is a cyclic number.

It is not a de Polignac number, because 423124369 - 2⁷ = 423124241 is a prime.

It is a super-2 number, since 2×423124369² = 358068463283296322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423124769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211562184 + 211562185.

It is an arithmetic number, because the mean of its divisors is an integer number (211562185).

Almost surely, 2^423124369 is an apocalyptic number.

It is an amenable number.

423124369 is a deficient number, since it is larger than the sum of its proper divisors (1).

423124369 is an equidigital number, since it uses as much as digits as its factorization.

423124369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 423124369 is about 20569.9870928496. The cubic root of 423124369 is about 750.7396371575.

The spelling of 423124369 in words is "four hundred twenty-three million, one hundred twenty-four thousand, three hundred sixty-nine".