1323350533231 has 4 divisors (see below), whose sum is σ = 1323668880072. Its totient is φ = 1323032186392.

The previous prime is 1323350533229. The next prime is 1323350533301.

1323350533231 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 1323350533231 - 2¹ = 1323350533229 is a prime.

It is a super-2 number, since 2×1323350533231² (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 (1323353533231) 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, 159167185 + ... + 159175498.

It is an arithmetic number, because the mean of its divisors is an integer number (330917220018).

Almost surely, 2^{1323350533231} is an apocalyptic number.

1323350533231 is a deficient number, since it is larger than the sum of its proper divisors (318346841).

1323350533231 is an equidigital number, since it uses as much as digits as its factorization.

1323350533231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318346840.

The product of its (nonzero) digits is 72900, while the sum is 34.

It can be divided in two parts, 1323350 and 533231, that added together give a palindrome (1856581).

The spelling of 1323350533231 in words is "one trillion, three hundred twenty-three billion, three hundred fifty million, five hundred thirty-three thousand, two hundred thirty-one".