321023212303 has 2 divisors, whose sum is σ = 321023212304. Its totient is φ = 321023212302.

The previous prime is 321023212267. The next prime is 321023212309. The reversal of 321023212303 is 303212320123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321023212303 - 2²⁵ = 320989657871 is a prime.

It is a super-3 number, since 3×321023212303³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321023212309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160511606151 + 160511606152.

It is an arithmetic number, because the mean of its divisors is an integer number (160511606152).

Almost surely, 2^321023212303 is an apocalyptic number.

321023212303 is a deficient number, since it is larger than the sum of its proper divisors (1).

321023212303 is an equidigital number, since it uses as much as digits as its factorization.

321023212303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 321023212303 its reverse (303212320123), we get a palindrome (624235532426).

The spelling of 321023212303 in words is "three hundred twenty-one billion, twenty-three million, two hundred twelve thousand, three hundred three".