423431443404 has 36 divisors (see below), whose sum is σ = 1109982839784. Its totient is φ = 141143814144.

The previous prime is 423431443397. The next prime is 423431443423. The reversal of 423431443404 is 404344134324.

423431443404 is a `hidden beast` number, since 4 + 234 + 3 + 14 + 4 + 3 + 404 = 666.

423431443404 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217813557 + ... + 217815500.

Almost surely, 2^423431443404 is an apocalyptic number.

It is an amenable number.

423431443404 is an abundant number, since it is smaller than the sum of its proper divisors (686551396380).

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

423431443404 is a wasteful number, since it uses less digits than its factorization.

423431443404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435629076 (or 435629062 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 423431443404 its reverse (404344134324), we get a palindrome (827775577728).

The spelling of 423431443404 in words is "four hundred twenty-three billion, four hundred thirty-one million, four hundred forty-three thousand, four hundred four".