321230100223 has 2 divisors, whose sum is σ = 321230100224. Its totient is φ = 321230100222.

The previous prime is 321230100181. The next prime is 321230100251. The reversal of 321230100223 is 322001032123.

It is a strong prime.

It is an emirp because it is prime and its reverse (322001032123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321230100223 - 2³⁷ = 183791146751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321230100223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321230100263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160615050111 + 160615050112.

It is an arithmetic number, because the mean of its divisors is an integer number (160615050112).

Almost surely, 2^321230100223 is an apocalyptic number.

321230100223 is a deficient number, since it is larger than the sum of its proper divisors (1).

321230100223 is an equidigital number, since it uses as much as digits as its factorization.

321230100223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 321230100223 its reverse (322001032123), we get a palindrome (643231132346).

The spelling of 321230100223 in words is "three hundred twenty-one billion, two hundred thirty million, one hundred thousand, two hundred twenty-three".