423125300 has 54 divisors (see below), whose sum is σ = 994284018. Its totient is φ = 156224640.

The previous prime is 423125299. The next prime is 423125309. The reversal of 423125300 is 3521324.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 271195024 + 151930276 = 16468^2 + 12326^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423125309) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4382 + ... + 29418.

It is an arithmetic number, because the mean of its divisors is an integer number (18412667).

Almost surely, 2^423125300 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 423125300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497142009).

423125300 is an abundant number, since it is smaller than the sum of its proper divisors (571158718).

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

423125300 is a wasteful number, since it uses less digits than its factorization.

423125300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25077 (or 25057 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 423125300 is about 20570.0097228951. The cubic root of 423125300 is about 750.7401877743.

Adding to 423125300 its reverse (3521324), we get a palindrome (426646624).

The spelling of 423125300 in words is "four hundred twenty-three million, one hundred twenty-five thousand, three hundred".