2303440231023 has 16 divisors (see below), whose sum is σ = 3504733886560. Its totient is φ = 1494123392448.

The previous prime is 2303440231013. The next prime is 2303440231031. The reversal of 2303440231023 is 3201320443032.

2303440231023 is a `hidden beast` number, since 2 + 3 + 0 + 344 + 0 + 2 + 310 + 2 + 3 = 666.

It is not a de Polignac number, because 2303440231023 - 2¹⁰ = 2303440229999 is a prime.

It is a super-2 number, since 2×2303440231023² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303440231013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152871990 + ... + 1152873987.

It is an arithmetic number, because the mean of its divisors is an integer number (219045867910).

Almost surely, 2^{2303440231023} is an apocalyptic number.

2303440231023 is a deficient number, since it is larger than the sum of its proper divisors (1201293655537).

2303440231023 is a wasteful number, since it uses less digits than its factorization.

2303440231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305746023 (or 2305746017 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 2303440231023 its reverse (3201320443032), we get a palindrome (5504760674055).

The spelling of 2303440231023 in words is "two trillion, three hundred three billion, four hundred forty million, two hundred thirty-one thousand, twenty-three".