80317923 has 8 divisors (see below), whose sum is σ = 122389248. Its totient is φ = 45895944.

The previous prime is 80317901. The next prime is 80317967. The reversal of 80317923 is 32971308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80317923 - 2⁵ = 80317891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80317723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1912311 + ... + 1912352.

It is an arithmetic number, because the mean of its divisors is an integer number (15298656).

Almost surely, 2^80317923 is an apocalyptic number.

80317923 is a deficient number, since it is larger than the sum of its proper divisors (42071325).

80317923 is a wasteful number, since it uses less digits than its factorization.

80317923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824673.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 80317923 is about 8962.0267239057. The cubic root of 80317923 is about 431.4569705117.

It can be divided in two parts, 80 and 317923, that added together give a triangular number (318003 = T₇₉₇).

The spelling of 80317923 in words is "eighty million, three hundred seventeen thousand, nine hundred twenty-three".