423663325 has 6 divisors (see below), whose sum is σ = 525342554. Its totient is φ = 338930640.

The previous prime is 423663277. The next prime is 423663337. The reversal of 423663325 is 523366324.

It can be written as a sum of positive squares in 3 ways, for example, as 6646084 + 417017241 = 2578^2 + 20421^2 .

It is a de Polignac number, because none of the positive numbers 2^k-423663325 is a prime.

It is a super-2 number, since 2×423663325² = 358981225900111250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8473242 + ... + 8473291.

Almost surely, 2^423663325 is an apocalyptic number.

It is an amenable number.

423663325 is a deficient number, since it is larger than the sum of its proper divisors (101679229).

423663325 is a wasteful number, since it uses less digits than its factorization.

423663325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16946543 (or 16946538 counting only the distinct ones).

The product of its digits is 77760, while the sum is 34.

The square root of 423663325 is about 20583.0834667695. The cubic root of 423663325 is about 751.0582542431.

The spelling of 423663325 in words is "four hundred twenty-three million, six hundred sixty-three thousand, three hundred twenty-five".