80562717123 has 16 divisors (see below), whose sum is σ = 125617172736. Its totient is φ = 44965236960.

The previous prime is 80562717107. The next prime is 80562717149. The reversal of 80562717123 is 32171726508.

It is not a de Polignac number, because 80562717123 - 2⁴ = 80562717107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80562719123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44607468 + ... + 44609273.

It is an arithmetic number, because the mean of its divisors is an integer number (7851073296).

Almost surely, 2^80562717123 is an apocalyptic number.

80562717123 is a deficient number, since it is larger than the sum of its proper divisors (45054455613).

80562717123 is a wasteful number, since it uses less digits than its factorization.

80562717123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89216794.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 80562717123 in words is "eighty billion, five hundred sixty-two million, seven hundred seventeen thousand, one hundred twenty-three".