423031100 has 18 divisors (see below), whose sum is σ = 917977704. Its totient is φ = 169212400.

The previous prime is 423031097. The next prime is 423031109. The reversal of 423031100 is 1130324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423031109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2115056 + ... + 2115255.

Almost surely, 2^423031100 is an apocalyptic number.

It is an amenable number.

423031100 is an abundant number, since it is smaller than the sum of its proper divisors (494946604).

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

423031100 is a wasteful number, since it uses less digits than its factorization.

423031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230325 (or 4230318 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 423031100 is about 20567.7198541793. The cubic root of 423031100 is about 750.6844714381.

Adding to 423031100 its reverse (1130324), we get a palindrome (424161424).

The spelling of 423031100 in words is "four hundred twenty-three million, thirty-one thousand, one hundred".