40003023143 has 2 divisors, whose sum is σ = 40003023144. Its totient is φ = 40003023142.

The previous prime is 40003023127. The next prime is 40003023157. The reversal of 40003023143 is 34132030004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40003023143 - 2⁴ = 40003023127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40003023163) 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 as a sum of consecutive naturals, namely, 20001511571 + 20001511572.

It is an arithmetic number, because the mean of its divisors is an integer number (20001511572).

Almost surely, 2^40003023143 is an apocalyptic number.

40003023143 is a deficient number, since it is larger than the sum of its proper divisors (1).

40003023143 is an equidigital number, since it uses as much as digits as its factorization.

40003023143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40003023143 its reverse (34132030004), we get a palindrome (74135053147).

The spelling of 40003023143 in words is "forty billion, three million, twenty-three thousand, one hundred forty-three".