423334404 has 24 divisors (see below), whose sum is σ = 1097533920. Its totient is φ = 141111432.

The previous prime is 423334403. The next prime is 423334423. The reversal of 423334404 is 404433324.

It is a super-2 number, since 2×423334404² = 358424035220070432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (423334403) 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, 1959774 + ... + 1959989.

It is an arithmetic number, because the mean of its divisors is an integer number (45730580).

Almost surely, 2^423334404 is an apocalyptic number.

It is an amenable number.

423334404 is an abundant number, since it is smaller than the sum of its proper divisors (674199516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423334404 is a wasteful number, since it uses less digits than its factorization.

423334404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919776 (or 3919768 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 423334404 is about 20575.0918345460. The cubic root of 423334404 is about 750.8638366663.

Adding to 423334404 its reverse (404433324), we get a palindrome (827767728).

The spelling of 423334404 in words is "four hundred twenty-three million, three hundred thirty-four thousand, four hundred four".