423090100 has 36 divisors (see below), whose sum is σ = 966431200. Its totient is φ = 160328160.

The previous prime is 423090089. The next prime is 423090103. The reversal of 423090100 is 1090324.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423090103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109440 + ... + 113239.

Almost surely, 2^423090100 is an apocalyptic number.

It is an amenable number.

423090100 is an abundant number, since it is smaller than the sum of its proper divisors (543341100).

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

423090100 is a wasteful number, since it uses less digits than its factorization.

423090100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222712 (or 222705 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 423090100 is about 20569.1540905308. The cubic root of 423090100 is about 750.7193690496.

The spelling of 423090100 in words is "four hundred twenty-three million, ninety thousand, one hundred".