2113051323 has 4 divisors (see below), whose sum is σ = 2817401768. Its totient is φ = 1408700880.

The previous prime is 2113051319. The next prime is 2113051327. The reversal of 2113051323 is 3231503112.

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

It is an interprime number because it is at equal distance from previous prime (2113051319) and next prime (2113051327).

It is not a de Polignac number, because 2113051323 - 2² = 2113051319 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 2113051323.

It is not an unprimeable number, because it can be changed into a prime (2113051327) 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, 352175218 + ... + 352175223.

It is an arithmetic number, because the mean of its divisors is an integer number (704350442).

Almost surely, 2^2113051323 is an apocalyptic number.

2113051323 is a deficient number, since it is larger than the sum of its proper divisors (704350445).

2113051323 is an equidigital number, since it uses as much as digits as its factorization.

2113051323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704350444.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 2113051323 is about 45967.9379894291. The cubic root of 2113051323 is about 1283.2265852327.

Adding to 2113051323 its reverse (3231503112), we get a palindrome (5344554435).

The spelling of 2113051323 in words is "two billion, one hundred thirteen million, fifty-one thousand, three hundred twenty-three".