131121233223 has 8 divisors (see below), whose sum is σ = 185112329328. Its totient is φ = 82272146304.

The previous prime is 131121233213. The next prime is 131121233237. The reversal of 131121233223 is 322332121131.

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

It is not a de Polignac number, because 131121233223 - 2¹⁴ = 131121216839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131121233193 and 131121233202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131121233213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285502236 + ... + 1285502337.

It is an arithmetic number, because the mean of its divisors is an integer number (23139041166).

Almost surely, 2^131121233223 is an apocalyptic number.

131121233223 is a deficient number, since it is larger than the sum of its proper divisors (53991096105).

131121233223 is a wasteful number, since it uses less digits than its factorization.

131121233223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571004593.

The product of its digits is 1296, while the sum is 24.

Adding to 131121233223 its reverse (322332121131), we get a palindrome (453453354354).

The spelling of 131121233223 in words is "one hundred thirty-one billion, one hundred twenty-one million, two hundred thirty-three thousand, two hundred twenty-three".