80118575723 has 4 divisors (see below), whose sum is σ = 82072687368. Its totient is φ = 78164464080.

The previous prime is 80118575701. The next prime is 80118575731. The reversal of 80118575723 is 32757581108.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80118575723 - 2¹⁰ = 80118574699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80178575723) 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 in 3 ways as a sum of consecutive naturals, for example, 977055761 + ... + 977055842.

It is an arithmetic number, because the mean of its divisors is an integer number (20518171842).

Almost surely, 2^80118575723 is an apocalyptic number.

80118575723 is a deficient number, since it is larger than the sum of its proper divisors (1954111645).

80118575723 is a wasteful number, since it uses less digits than its factorization.

80118575723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954111644.

The product of its (nonzero) digits is 470400, while the sum is 47.

The spelling of 80118575723 in words is "eighty billion, one hundred eighteen million, five hundred seventy-five thousand, seven hundred twenty-three".