423983952 has 120 divisors (see below), whose sum is σ = 1389286080. Its totient is φ = 118172160.

The previous prime is 423983933. The next prime is 423983953. The reversal of 423983952 is 259389324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 423983898 and 423983907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423983953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36199 + ... + 46457.

It is an arithmetic number, because the mean of its divisors is an integer number (11577384).

Almost surely, 2^423983952 is an apocalyptic number.

423983952 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423983952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694643040).

423983952 is an abundant number, since it is smaller than the sum of its proper divisors (965302128).

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

423983952 is a wasteful number, since it uses less digits than its factorization.

423983952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10321 (or 10312 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 423983952 is about 20590.8705983987. The cubic root of 423983952 is about 751.2476725998.

The spelling of 423983952 in words is "four hundred twenty-three million, nine hundred eighty-three thousand, nine hundred fifty-two".