131233223 has 8 divisors (see below), whose sum is σ = 143352720. Its totient is φ = 119145280.

The previous prime is 131233213. The next prime is 131233229. The reversal of 131233223 is 322332131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131233223 - 2¹⁸ = 130971079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131233195 and 131233204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131233229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283 + ... + 16251.

It is an arithmetic number, because the mean of its divisors is an integer number (17919090).

Almost surely, 2^131233223 is an apocalyptic number.

131233223 is a deficient number, since it is larger than the sum of its proper divisors (12119497).

131233223 is a wasteful number, since it uses less digits than its factorization.

131233223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15777.

The product of its digits is 648, while the sum is 20.

The square root of 131233223 is about 11455.7070056806. The cubic root of 131233223 is about 508.1765240477.

Adding to 131233223 its reverse (322332131), we get a palindrome (453565354).

The spelling of 131233223 in words is "one hundred thirty-one million, two hundred thirty-three thousand, two hundred twenty-three".