71329423043 has 2 divisors, whose sum is σ = 71329423044. Its totient is φ = 71329423042.

The previous prime is 71329422979. The next prime is 71329423111. The reversal of 71329423043 is 34032492317.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71329423043 - 2⁶ = 71329422979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71329422988 and 71329423006.

It is not a weakly prime, because it can be changed into another prime (71329425043) 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, 35664711521 + 35664711522.

It is an arithmetic number, because the mean of its divisors is an integer number (35664711522).

Almost surely, 2^71329423043 is an apocalyptic number.

71329423043 is a deficient number, since it is larger than the sum of its proper divisors (1).

71329423043 is an equidigital number, since it uses as much as digits as its factorization.

71329423043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 71329423043 in words is "seventy-one billion, three hundred twenty-nine million, four hundred twenty-three thousand, forty-three".