2102530323 has 4 divisors (see below), whose sum is σ = 2803373768. Its totient is φ = 1401686880.

The previous prime is 2102530273. The next prime is 2102530327. The reversal of 2102530323 is 3230352012.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2102530323 - 2⁶ = 2102530259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102530323.

It is not an unprimeable number, because it can be changed into a prime (2102530327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350421718 + ... + 350421723.

It is an arithmetic number, because the mean of its divisors is an integer number (700843442).

Almost surely, 2^2102530323 is an apocalyptic number.

2102530323 is a deficient number, since it is larger than the sum of its proper divisors (700843445).

2102530323 is an equidigital number, since it uses as much as digits as its factorization.

2102530323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700843444.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2102530323 is about 45853.3567255441. The cubic root of 2102530323 is about 1281.0932885373.

Adding to 2102530323 its reverse (3230352012), we get a palindrome (5332882335).

The spelling of 2102530323 in words is "two billion, one hundred two million, five hundred thirty thousand, three hundred twenty-three".