423030100 has 36 divisors (see below), whose sum is σ = 935307324. Its totient is φ = 166017280.

The previous prime is 423030089. The next prime is 423030131. The reversal of 423030100 is 1030324.

It can be written as a sum of positive squares in 6 ways, for example, as 38713284 + 384316816 = 6222^2 + 19604^2 .

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, 34609 + ... + 45208.

It is an arithmetic number, because the mean of its divisors is an integer number (25980759).

Almost surely, 2^423030100 is an apocalyptic number.

It is an amenable number.

423030100 is an abundant number, since it is smaller than the sum of its proper divisors (512277224).

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

423030100 is a wasteful number, since it uses less digits than its factorization.

423030100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79884 (or 79877 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 423030100 is about 20567.6955442266. The cubic root of 423030100 is about 750.6838799252.

Adding to 423030100 its reverse (1030324), we get a palindrome (424060424).

The spelling of 423030100 in words is "four hundred twenty-three million, thirty thousand, one hundred".