2102312023 has 12 divisors (see below), whose sum is σ = 2505196512. Its totient is φ = 1758029280.

The previous prime is 2102311999. The next prime is 2102312041. The reversal of 2102312023 is 3202132012.

It is a de Polignac number, because none of the positive numbers 2^k-2102312023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102311988 and 2102312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102312083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 521215 + ... + 525232.

It is an arithmetic number, because the mean of its divisors is an integer number (208766376).

Almost surely, 2^2102312023 is an apocalyptic number.

2102312023 is a deficient number, since it is larger than the sum of its proper divisors (402884489).

2102312023 is a wasteful number, since it uses less digits than its factorization.

2102312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046502 (or 1046495 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2102312023 is about 45850.9762491487. The cubic root of 2102312023 is about 1281.0489495265.

Adding to 2102312023 its reverse (3202132012), we get a palindrome (5304444035).

The spelling of 2102312023 in words is "two billion, one hundred two million, three hundred twelve thousand, twenty-three".