423100404 has 36 divisors (see below), whose sum is σ = 1076080096. Its totient is φ = 140166288.

The previous prime is 423100397. The next prime is 423100423. The reversal of 423100404 is 404001324.

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 (18).

It is a congruent number.

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, 30184 + ... + 41919.

Almost surely, 2^423100404 is an apocalyptic number.

It is an amenable number.

423100404 is an abundant number, since it is smaller than the sum of its proper divisors (652979692).

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

423100404 is a wasteful number, since it uses less digits than its factorization.

423100404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72276 (or 72271 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 423100404 is about 20569.4045611437. The cubic root of 423100404 is about 750.7254633776.

Adding to 423100404 its reverse (404001324), we get a palindrome (827101728).

The spelling of 423100404 in words is "four hundred twenty-three million, one hundred thousand, four hundred four".