1323200032231 has 16 divisors (see below), whose sum is σ = 1660211619840. Its totient is φ = 1024497658080.

The previous prime is 1323200032223. The next prime is 1323200032241. The reversal of 1323200032231 is 1322300023231.

It is a cyclic number.

It is not a de Polignac number, because 1323200032231 - 2³ = 1323200032223 is a prime.

It is a super-2 number, since 2×1323200032231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323200032201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54715351 + ... + 54739528.

It is an arithmetic number, because the mean of its divisors is an integer number (103763226240).

Almost surely, 2^{1323200032231} is an apocalyptic number.

1323200032231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1323200032231 is a deficient number, since it is larger than the sum of its proper divisors (337011587609).

1323200032231 is a wasteful number, since it uses less digits than its factorization.

1323200032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109455054.

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

Adding to 1323200032231 its reverse (1322300023231), we get a palindrome (2645500055462).

The spelling of 1323200032231 in words is "one trillion, three hundred twenty-three billion, two hundred million, thirty-two thousand, two hundred thirty-one".