2013122323 has 4 divisors (see below), whose sum is σ = 2016375160. Its totient is φ = 2009869488.

The previous prime is 2013122317. The next prime is 2013122329. The reversal of 2013122323 is 3232213102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3232213102 = 2 ⋅1616106551.

It is an interprime number because it is at equal distance from previous prime (2013122317) and next prime (2013122329).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013122323 is a prime.

It is a super-2 number, since 2×2013122323² = 8105322974721832658, which contains 22 as substring.

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 2013122323.

It is not an unprimeable number, because it can be changed into a prime (2013122329) 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, 1625490 + ... + 1626727.

It is an arithmetic number, because the mean of its divisors is an integer number (504093790).

Almost surely, 2^2013122323 is an apocalyptic number.

2013122323 is a deficient number, since it is larger than the sum of its proper divisors (3252837).

2013122323 is an equidigital number, since it uses as much as digits as its factorization.

2013122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252836.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2013122323 is about 44867.8317171668. The cubic root of 2013122323 is about 1262.6705604681.

Adding to 2013122323 its reverse (3232213102), we get a palindrome (5245335425).

The spelling of 2013122323 in words is "two billion, thirteen million, one hundred twenty-two thousand, three hundred twenty-three".