423234321232 has 40 divisors (see below), whose sum is σ = 821554560000. Its totient is φ = 211220459520.

The previous prime is 423234321193. The next prime is 423234321233. The reversal of 423234321232 is 232123432324.

It is a junction number, because it is equal to n+sod(n) for n = 423234321194 and 423234321203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423234321233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56435019 + ... + 56442517.

It is an arithmetic number, because the mean of its divisors is an integer number (20538864000).

Almost surely, 2^423234321232 is an apocalyptic number.

It is an amenable number.

423234321232 is a deficient number, since it is larger than the sum of its proper divisors (398320238768).

423234321232 is a wasteful number, since it uses less digits than its factorization.

423234321232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13651 (or 13645 counting only the distinct ones).

The product of its digits is 41472, while the sum is 31.

Adding to 423234321232 its reverse (232123432324), we get a palindrome (655357753556).

The spelling of 423234321232 in words is "four hundred twenty-three billion, two hundred thirty-four million, three hundred twenty-one thousand, two hundred thirty-two".