423231300 has 108 divisors (see below), whose sum is σ = 1330936516. Its totient is φ = 112492800.

The previous prime is 423231299. The next prime is 423231301. The reversal of 423231300 is 3132324.

423231300 is a `hidden beast` number, since 42 + 323 + 1 + 300 = 666.

It is an interprime number because it is at equal distance from previous prime (423231299) and next prime (423231301).

It can be written as a sum of positive squares in 6 ways, for example, as 212226624 + 211004676 = 14568^2 + 14526^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (423231301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 378342 + ... + 379458.

Almost surely, 2^423231300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423231300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665468258).

423231300 is an abundant number, since it is smaller than the sum of its proper divisors (907705216).

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

423231300 is a wasteful number, since it uses less digits than its factorization.

423231300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 423231300 is about 20572.5861281464. The cubic root of 423231300 is about 750.8028735521.

Adding to 423231300 its reverse (3132324), we get a palindrome (426363624).

The spelling of 423231300 in words is "four hundred twenty-three million, two hundred thirty-one thousand, three hundred".