2040323143 has 2 divisors, whose sum is σ = 2040323144. Its totient is φ = 2040323142.

The previous prime is 2040323107. The next prime is 2040323171. The reversal of 2040323143 is 3413230402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040323143 is a prime.

It is a super-2 number, since 2×2040323143² = 8325837055722796898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040323183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020161571 + 1020161572.

It is an arithmetic number, because the mean of its divisors is an integer number (1020161572).

Almost surely, 2^2040323143 is an apocalyptic number.

2040323143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040323143 is an equidigital number, since it uses as much as digits as its factorization.

2040323143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2040323143 is about 45169.9362740308. The cubic root of 2040323143 is about 1268.3321033915.

Adding to 2040323143 its reverse (3413230402), we get a palindrome (5453553545).

The spelling of 2040323143 in words is "two billion, forty million, three hundred twenty-three thousand, one hundred forty-three".