321112203223 has 4 divisors (see below), whose sum is σ = 366985375120. Its totient is φ = 275239031328.

The previous prime is 321112203179. The next prime is 321112203233. The reversal of 321112203223 is 322302211123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321112203223 is a prime.

It is a super-2 number, since 2×321112203223² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321112203194 and 321112203203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321112203233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22936585938 + ... + 22936585951.

It is an arithmetic number, because the mean of its divisors is an integer number (91746343780).

Almost surely, 2^321112203223 is an apocalyptic number.

321112203223 is a deficient number, since it is larger than the sum of its proper divisors (45873171897).

321112203223 is an equidigital number, since it uses as much as digits as its factorization.

321112203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45873171896.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 321112203223 its reverse (322302211123), we get a palindrome (643414414346).

The spelling of 321112203223 in words is "three hundred twenty-one billion, one hundred twelve million, two hundred three thousand, two hundred twenty-three".