423044524 has 48 divisors (see below), whose sum is σ = 900002880. Its totient is φ = 169850880.

The previous prime is 423044521. The next prime is 423044527. The reversal of 423044524 is 425440324.

It is an interprime number because it is at equal distance from previous prime (423044521) and next prime (423044527).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 423044492 and 423044501.

It is not an unprimeable number, because it can be changed into a prime (423044521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107064 + ... + 110944.

It is an arithmetic number, because the mean of its divisors is an integer number (18750060).

Almost surely, 2^423044524 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 423044524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450001440).

423044524 is an abundant number, since it is smaller than the sum of its proper divisors (476958356).

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

423044524 is a wasteful number, since it uses less digits than its factorization.

423044524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138 (or 4136 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 423044524 is about 20568.0461882017. The cubic root of 423044524 is about 750.6924118170.

Adding to 423044524 its reverse (425440324), we get a palindrome (848484848).

The spelling of 423044524 in words is "four hundred twenty-three million, forty-four thousand, five hundred twenty-four".