40323010543 has 2 divisors, whose sum is σ = 40323010544. Its totient is φ = 40323010542.

The previous prime is 40323010489. The next prime is 40323010561. The reversal of 40323010543 is 34501032304.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40323010543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40323010573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20161505271 + 20161505272.

It is an arithmetic number, because the mean of its divisors is an integer number (20161505272).

Almost surely, 2^40323010543 is an apocalyptic number.

40323010543 is a deficient number, since it is larger than the sum of its proper divisors (1).

40323010543 is an equidigital number, since it uses as much as digits as its factorization.

40323010543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 40323010543 its reverse (34501032304), we get a palindrome (74824042847).

The spelling of 40323010543 in words is "forty billion, three hundred twenty-three million, ten thousand, five hundred forty-three".