42323001943 has 2 divisors, whose sum is σ = 42323001944. Its totient is φ = 42323001942.

The previous prime is 42323001907. The next prime is 42323002147. The reversal of 42323001943 is 34910032324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42323001943 - 2¹³ = 42322993751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42323001443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21161500971 + 21161500972.

It is an arithmetic number, because the mean of its divisors is an integer number (21161500972).

Almost surely, 2^42323001943 is an apocalyptic number.

42323001943 is a deficient number, since it is larger than the sum of its proper divisors (1).

42323001943 is an equidigital number, since it uses as much as digits as its factorization.

42323001943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 42323001943 in words is "forty-two billion, three hundred twenty-three million, one thousand, nine hundred forty-three".