423324252 has 192 divisors, whose sum is σ = 1260201600. Its totient is φ = 121927680.

The previous prime is 423324247. The next prime is 423324257. The reversal of 423324252 is 252423324.

It is a happy number.

423324252 is a `hidden beast` number, since 4 + 233 + 2 + 425 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (423324247) and next prime (423324257).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423324257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1506352 + ... + 1506632.

It is an arithmetic number, because the mean of its divisors is an integer number (6563550).

Almost surely, 2^423324252 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 423324252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630100800).

423324252 is an abundant number, since it is smaller than the sum of its proper divisors (836877348).

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

423324252 is a wasteful number, since it uses less digits than its factorization.

423324252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 365 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 423324252 is about 20574.8451269991. The cubic root of 423324252 is about 750.8578344527.

Adding to 423324252 its reverse (252423324), we get a palindrome (675747576).

The spelling of 423324252 in words is "four hundred twenty-three million, three hundred twenty-four thousand, two hundred fifty-two".