1323103220231 has 32 divisors (see below), whose sum is σ = 1475481477120. Its totient is φ = 1178857338624.

The previous prime is 1323103220221. The next prime is 1323103220251. The reversal of 1323103220231 is 1320223013231.

It is a cyclic number.

It is not a de Polignac number, because 1323103220231 - 2²⁶ = 1323036111367 is a prime.

It is a super-2 number, since 2×1323103220231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323103220197 and 1323103220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323103220221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12433010 + ... + 12538976.

It is an arithmetic number, because the mean of its divisors is an integer number (46108796160).

Almost surely, 2^{1323103220231} is an apocalyptic number.

1323103220231 is a deficient number, since it is larger than the sum of its proper divisors (152378256889).

1323103220231 is a wasteful number, since it uses less digits than its factorization.

1323103220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106335.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1323103220231 its reverse (1320223013231), we get a palindrome (2643326233462).

The spelling of 1323103220231 in words is "one trillion, three hundred twenty-three billion, one hundred three million, two hundred twenty thousand, two hundred thirty-one".