423231052172 has 12 divisors (see below), whose sum is σ = 743833116936. Its totient is φ = 210707304480.

The previous prime is 423231052171. The next prime is 423231052201. The reversal of 423231052172 is 271250132324.

It is not an unprimeable number, because it can be changed into a prime (423231052171) 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, 227054354 + ... + 227056217.

It is an arithmetic number, because the mean of its divisors is an integer number (61986093078).

Almost surely, 2^423231052172 is an apocalyptic number.

It is an amenable number.

423231052172 is a deficient number, since it is larger than the sum of its proper divisors (320602064764).

423231052172 is a wasteful number, since it uses less digits than its factorization.

423231052172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454110808 (or 454110806 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 423231052172 its reverse (271250132324), we get a palindrome (694481184496).

The spelling of 423231052172 in words is "four hundred twenty-three billion, two hundred thirty-one million, fifty-two thousand, one hundred seventy-two".