321142343432 has 32 divisors (see below), whose sum is σ = 636929153280. Its totient is φ = 151485840000.

The previous prime is 321142343407. The next prime is 321142343437. The reversal of 321142343432 is 234343241123.

It is not an unprimeable number, because it can be changed into a prime (321142343437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11940944 + ... + 11967807.

It is an arithmetic number, because the mean of its divisors is an integer number (19904036040).

Almost surely, 2^321142343432 is an apocalyptic number.

It is an amenable number.

321142343432 is a deficient number, since it is larger than the sum of its proper divisors (315786809848).

321142343432 is a wasteful number, since it uses less digits than its factorization.

321142343432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23908853 (or 23908849 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

Adding to 321142343432 its reverse (234343241123), we get a palindrome (555485584555).

The spelling of 321142343432 in words is "three hundred twenty-one billion, one hundred forty-two million, three hundred forty-three thousand, four hundred thirty-two".