423630100 has 36 divisors (see below), whose sum is σ = 959251104. Its totient is φ = 162083680.

The previous prime is 423630073. The next prime is 423630101. The reversal of 423630100 is 1036324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423630101) 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, 89794 + ... + 94393.

It is an arithmetic number, because the mean of its divisors is an integer number (26645864).

Almost surely, 2^423630100 is an apocalyptic number.

It is an amenable number.

423630100 is an abundant number, since it is smaller than the sum of its proper divisors (535621004).

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

423630100 is a wasteful number, since it uses less digits than its factorization.

423630100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184224 (or 184217 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 423630100 is about 20582.2763561274. The cubic root of 423630100 is about 751.0386202859.

Adding to 423630100 its reverse (1036324), we get a palindrome (424666424).

The spelling of 423630100 in words is "four hundred twenty-three million, six hundred thirty thousand, one hundred".