2023143121 has 4 divisors (see below), whose sum is σ = 2023257600. Its totient is φ = 2023028644.

The previous prime is 2023143071. The next prime is 2023143127. The reversal of 2023143121 is 1213413202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, 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 2023143121 - 2⁷ = 2023142993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2023143127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24481 + ... + 68158.

It is an arithmetic number, because the mean of its divisors is an integer number (505814400).

Almost surely, 2^2023143121 is an apocalyptic number.

It is an amenable number.

2023143121 is a deficient number, since it is larger than the sum of its proper divisors (114479).

2023143121 is an equidigital number, since it uses as much as digits as its factorization.

2023143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114478.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2023143121 is about 44979.3632791750. The cubic root of 2023143121 is about 1264.7621753954.

Adding to 2023143121 its reverse (1213413202), we get a palindrome (3236556323).

The spelling of 2023143121 in words is "two billion, twenty-three million, one hundred forty-three thousand, one hundred twenty-one".