2331121023 has 72 divisors (see below), whose sum is σ = 4247696544. Its totient is φ = 1205867520.

The previous prime is 2331121021. The next prime is 2331121049. The reversal of 2331121023 is 3201211332.

It is not a de Polignac number, because 2331121023 - 2¹ = 2331121021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331120987 and 2331121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331121021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2385511 + ... + 2386487.

Almost surely, 2^2331121023 is an apocalyptic number.

2331121023 is a deficient number, since it is larger than the sum of its proper divisors (1916575521).

2331121023 is a wasteful number, since it uses less digits than its factorization.

2331121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2331121023 is about 48281.6841359122. The cubic root of 2331121023 is about 1325.9330839200.

Adding to 2331121023 its reverse (3201211332), we get a palindrome (5532332355).

The spelling of 2331121023 in words is "two billion, three hundred thirty-one million, one hundred twenty-one thousand, twenty-three".