2331321023 has 2 divisors, whose sum is σ = 2331321024. Its totient is φ = 2331321022.

The previous prime is 2331321007. The next prime is 2331321043. The reversal of 2331321023 is 3201231332.

It is an a-pointer prime, because the next prime (2331321043) can be obtained adding 2331321023 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2331321023 - 2⁴ = 2331321007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331320986 and 2331321004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331321043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165660511 + 1165660512.

It is an arithmetic number, because the mean of its divisors is an integer number (1165660512).

Almost surely, 2^2331321023 is an apocalyptic number.

2331321023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331321023 is an equidigital number, since it uses as much as digits as its factorization.

2331321023 is an evil number, because the sum of its binary digits is even.

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

The square root of 2331321023 is about 48283.7552702770. The cubic root of 2331321023 is about 1325.9710025910.

Adding to 2331321023 its reverse (3201231332), we get a palindrome (5532552355).

The spelling of 2331321023 in words is "two billion, three hundred thirty-one million, three hundred twenty-one thousand, twenty-three".