423045445252 has 12 divisors (see below), whose sum is σ = 740630615760. Its totient is φ = 211436697896.

The previous prime is 423045445223. The next prime is 423045445259. The reversal of 423045445252 is 252544540324.

It is not an unprimeable number, because it can be changed into a prime (423045445259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21495118 + ... + 21514789.

It is an arithmetic number, because the mean of its divisors is an integer number (61719217980).

Almost surely, 2^423045445252 is an apocalyptic number.

It is an amenable number.

423045445252 is a deficient number, since it is larger than the sum of its proper divisors (317585170508).

423045445252 is a wasteful number, since it uses less digits than its factorization.

423045445252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43012370 (or 43012368 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 423045445252 its reverse (252544540324), we get a palindrome (675589985576).

The spelling of 423045445252 in words is "four hundred twenty-three billion, forty-five million, four hundred forty-five thousand, two hundred fifty-two".