2131233221223 has 32 divisors (see below), whose sum is σ = 3202279188480. Its totient is φ = 1400623993440.

The previous prime is 2131233221167. The next prime is 2131233221233. The reversal of 2131233221223 is 3221223321312.

2131233221223 is a `hidden beast` number, since 2 + 1 + 312 + 3 + 322 + 1 + 2 + 23 = 666.

It is not a de Polignac number, because 2131233221223 - 2²⁹ = 2130696350311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131233221233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15137490 + ... + 15277632.

It is an arithmetic number, because the mean of its divisors is an integer number (100071224640).

Almost surely, 2^{2131233221223} is an apocalyptic number.

2131233221223 is a deficient number, since it is larger than the sum of its proper divisors (1071045967257).

2131233221223 is a wasteful number, since it uses less digits than its factorization.

2131233221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148156 (or 148150 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 2131233221223 its reverse (3221223321312), we get a palindrome (5352456542535).

The spelling of 2131233221223 in words is "two trillion, one hundred thirty-one billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty-three".