321327023042 has 4 divisors (see below), whose sum is σ = 481990534566. Its totient is φ = 160663511520.

The previous prime is 321327023033. The next prime is 321327023057. The reversal of 321327023042 is 240320723123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 316778734561 + 4548288481 = 562831^2 + 67441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321327022996 and 321327023014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80331755759 + ... + 80331755762.

Almost surely, 2^321327023042 is an apocalyptic number.

321327023042 is a deficient number, since it is larger than the sum of its proper divisors (160663511524).

321327023042 is a wasteful number, since it uses less digits than its factorization.

321327023042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160663511523.

The product of its (nonzero) digits is 12096, while the sum is 29.

Adding to 321327023042 its reverse (240320723123), we get a palindrome (561647746165).

The spelling of 321327023042 in words is "three hundred twenty-one billion, three hundred twenty-seven million, twenty-three thousand, forty-two".