2031423143 has 16 divisors (see below), whose sum is σ = 2224558080. Its totient is φ = 1847504256.

The previous prime is 2031423139. The next prime is 2031423169. The reversal of 2031423143 is 3413241302.

It is a cyclic number.

It is not a de Polignac number, because 2031423143 - 2² = 2031423139 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 (2031423113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47030 + ... + 79212.

It is an arithmetic number, because the mean of its divisors is an integer number (139034880).

Almost surely, 2^2031423143 is an apocalyptic number.

2031423143 is a deficient number, since it is larger than the sum of its proper divisors (193134937).

2031423143 is a wasteful number, since it uses less digits than its factorization.

2031423143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32326.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2031423143 is about 45071.3117514900. The cubic root of 2031423143 is about 1266.4852376418.

Adding to 2031423143 its reverse (3413241302), we get a palindrome (5444664445).

The spelling of 2031423143 in words is "two billion, thirty-one million, four hundred twenty-three thousand, one hundred forty-three".