2312121131223 has 8 divisors (see below), whose sum is σ = 3095110359936. Its totient is φ = 1535272995000.

The previous prime is 2312121131197. The next prime is 2312121131249. The reversal of 2312121131223 is 3221311212132.

It is an interprime number because it is at equal distance from previous prime (2312121131197) and next prime (2312121131249).

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

It is not a de Polignac number, because 2312121131223 - 2¹⁰ = 2312121130199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2312121131193 and 2312121131202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312121130223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535272243 + ... + 1535273748.

It is an arithmetic number, because the mean of its divisors is an integer number (386888794992).

Almost surely, 2^{2312121131223} is an apocalyptic number.

2312121131223 is a deficient number, since it is larger than the sum of its proper divisors (782989228713).

2312121131223 is a wasteful number, since it uses less digits than its factorization.

2312121131223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070546245.

The product of its digits is 864, while the sum is 24.

Adding to 2312121131223 its reverse (3221311212132), we get a palindrome (5533432343355).

The spelling of 2312121131223 in words is "two trillion, three hundred twelve billion, one hundred twenty-one million, one hundred thirty-one thousand, two hundred twenty-three".