2321403021143 has 4 divisors (see below), whose sum is σ = 2321406226440. Its totient is φ = 2321399815848.

The previous prime is 2321403021139. The next prime is 2321403021187. The reversal of 2321403021143 is 3411203041232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2321403021143 - 2² = 2321403021139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321403020143) 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 3 ways as a sum of consecutive naturals, for example, 55721 + ... + 2155437.

It is an arithmetic number, because the mean of its divisors is an integer number (580351556610).

Almost surely, 2^{2321403021143} is an apocalyptic number.

2321403021143 is a deficient number, since it is larger than the sum of its proper divisors (3205297).

2321403021143 is a wasteful number, since it uses less digits than its factorization.

2321403021143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205296.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2321403021143 its reverse (3411203041232), we get a palindrome (5732606062375).

The spelling of 2321403021143 in words is "two trillion, three hundred twenty-one billion, four hundred three million, twenty-one thousand, one hundred forty-three".