71223683043 has 16 divisors (see below), whose sum is σ = 101332426880. Its totient is φ = 44367165504.

The previous prime is 71223683023. The next prime is 71223683057. The reversal of 71223683043 is 34038632217.

It is not a de Polignac number, because 71223683043 - 2²⁰ = 71222634467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71223682992 and 71223683010.

It is not an unprimeable number, because it can be changed into a prime (71223683023) 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 in 15 ways as a sum of consecutive naturals, for example, 8554321 + ... + 8562642.

It is an arithmetic number, because the mean of its divisors is an integer number (6333276680).

Almost surely, 2^71223683043 is an apocalyptic number.

71223683043 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

71223683043 is a deficient number, since it is larger than the sum of its proper divisors (30108743837).

71223683043 is a wasteful number, since it uses less digits than its factorization.

71223683043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17117058.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 71223683043 in words is "seventy-one billion, two hundred twenty-three million, six hundred eighty-three thousand, forty-three".