423428100 has 36 divisors (see below), whose sum is σ = 1225119504. Its totient is φ = 112914080.

The previous prime is 423428059. The next prime is 423428113. The reversal of 423428100 is 1824324.

It is a super-2 number, since 2×423428100² = 358582711739220000, which contains 22 as substring.

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, 705414 + ... + 706013.

Almost surely, 2^423428100 is an apocalyptic number.

It is an amenable number.

423428100 is an abundant number, since it is smaller than the sum of its proper divisors (801691404).

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

423428100 is a wasteful number, since it uses less digits than its factorization.

423428100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411444 (or 1411437 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 423428100 is about 20577.3686364413. The cubic root of 423428100 is about 750.9192284540.

The spelling of 423428100 in words is "four hundred twenty-three million, four hundred twenty-eight thousand, one hundred".