423720300 has 144 divisors (see below), whose sum is σ = 1282417920. Its totient is φ = 107907840.

The previous prime is 423720299. The next prime is 423720301. The reversal of 423720300 is 3027324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (423720299) and next prime (423720301).

It is not an unprimeable number, because it can be changed into a prime (423720301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 654577 + ... + 655223.

It is an arithmetic number, because the mean of its divisors is an integer number (8905680).

Almost surely, 2^423720300 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 423720300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641208960).

423720300 is an abundant number, since it is smaller than the sum of its proper divisors (858697620).

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

423720300 is a wasteful number, since it uses less digits than its factorization.

423720300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 423720300 is about 20584.4674451393. The cubic root of 423720300 is about 751.0919206188.

Adding to 423720300 its reverse (3027324), we get a palindrome (426747624).

The spelling of 423720300 in words is "four hundred twenty-three million, seven hundred twenty thousand, three hundred".