423004431 has 8 divisors (see below), whose sum is σ = 588528000. Its totient is φ = 269741912.

The previous prime is 423004423. The next prime is 423004441. The reversal of 423004431 is 134400324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423004431 - 2³ = 423004423 is a prime.

It is a super-2 number, since 2×423004431² = 357865497291267522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423004398 and 423004407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423004441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3065181 + ... + 3065318.

It is an arithmetic number, because the mean of its divisors is an integer number (73566000).

Almost surely, 2^423004431 is an apocalyptic number.

423004431 is a deficient number, since it is larger than the sum of its proper divisors (165523569).

423004431 is a wasteful number, since it uses less digits than its factorization.

423004431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6130525.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 423004431 is about 20567.0715222173. The cubic root of 423004431 is about 750.6686960614.

Adding to 423004431 its reverse (134400324), we get a palindrome (557404755).

The spelling of 423004431 in words is "four hundred twenty-three million, four thousand, four hundred thirty-one".