323232130621 has 2 divisors, whose sum is σ = 323232130622. Its totient is φ = 323232130620.

The previous prime is 323232130583. The next prime is 323232130673. The reversal of 323232130621 is 126031232323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229550224996 + 93681905625 = 479114^2 + 306075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323232130621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323232130621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323232130681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161616065310 + 161616065311.

It is an arithmetic number, because the mean of its divisors is an integer number (161616065311).

Almost surely, 2^323232130621 is an apocalyptic number.

It is an amenable number.

323232130621 is a deficient number, since it is larger than the sum of its proper divisors (1).

323232130621 is an equidigital number, since it uses as much as digits as its factorization.

323232130621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 323232130621 its reverse (126031232323), we get a palindrome (449263362944).

The spelling of 323232130621 in words is "three hundred twenty-three billion, two hundred thirty-two million, one hundred thirty thousand, six hundred twenty-one".