131233323 has 64 divisors (see below), whose sum is σ = 212889600. Its totient is φ = 71124480.

The previous prime is 131233321. The next prime is 131233357. The reversal of 131233323 is 323332131.

It is not a de Polignac number, because 131233323 - 2¹ = 131233321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131233323.

It is not an unprimeable number, because it can be changed into a prime (131233321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 666061 + ... + 666257.

It is an arithmetic number, because the mean of its divisors is an integer number (3326400).

Almost surely, 2^131233323 is an apocalyptic number.

131233323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131233323 is a deficient number, since it is larger than the sum of its proper divisors (81656277).

131233323 is a wasteful number, since it uses less digits than its factorization.

131233323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292.

The product of its digits is 972, while the sum is 21.

The square root of 131233323 is about 11455.7113703166. The cubic root of 131233323 is about 508.1766531249.

Adding to 131233323 its reverse (323332131), we get a palindrome (454565454).

The spelling of 131233323 in words is "one hundred thirty-one million, two hundred thirty-three thousand, three hundred twenty-three".