2303031311323 has 4 divisors (see below), whose sum is σ = 2328908067720. Its totient is φ = 2277154554928.

The previous prime is 2303031311299. The next prime is 2303031311327. The reversal of 2303031311323 is 3231131303032.

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

It is a cyclic number.

It is not a de Polignac number, because 2303031311323 - 2⁴¹ = 104008055771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2303031311327) 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, 12938378065 + ... + 12938378242.

It is an arithmetic number, because the mean of its divisors is an integer number (582227016930).

Almost surely, 2^{2303031311323} is an apocalyptic number.

2303031311323 is a deficient number, since it is larger than the sum of its proper divisors (25876756397).

2303031311323 is an equidigital number, since it uses as much as digits as its factorization.

2303031311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25876756396.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 2303031311323 its reverse (3231131303032), we get a palindrome (5534162614355).

The spelling of 2303031311323 in words is "two trillion, three hundred three billion, thirty-one million, three hundred eleven thousand, three hundred twenty-three".