423453223232 has 56 divisors (see below), whose sum is σ = 905138642856. Its totient is φ = 195394387968.

The previous prime is 423453223217. The next prime is 423453223273. The reversal of 423453223232 is 232322354324.

It can be written as a sum of positive squares in 4 ways, for example, as 99719534656 + 323733688576 = 315784^2 + 568976^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423453223192 and 423453223201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3651128 + ... + 3765320.

It is an arithmetic number, because the mean of its divisors is an integer number (16163190051).

Almost surely, 2^423453223232 is an apocalyptic number.

It is an amenable number.

423453223232 is an abundant number, since it is smaller than the sum of its proper divisors (481685419624).

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

423453223232 is a wasteful number, since it uses less digits than its factorization.

423453223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118675 (or 118665 counting only the distinct ones).

The product of its digits is 207360, while the sum is 35.

Adding to 423453223232 its reverse (232322354324), we get a palindrome (655775577556).

The spelling of 423453223232 in words is "four hundred twenty-three billion, four hundred fifty-three million, two hundred twenty-three thousand, two hundred thirty-two".