80988723 has 6 divisors (see below), whose sum is σ = 116983724. Its totient is φ = 53992476.

The previous prime is 80988707. The next prime is 80988757. The reversal of 80988723 is 32788908.

It is not a de Polignac number, because 80988723 - 2⁴ = 80988707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80988023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4499365 + ... + 4499382.

Almost surely, 2^80988723 is an apocalyptic number.

80988723 is a deficient number, since it is larger than the sum of its proper divisors (35995001).

80988723 is a wasteful number, since it uses less digits than its factorization.

80988723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8998753 (or 8998750 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 80988723 is about 8999.3734781928. The cubic root of 80988723 is about 432.6547908413.

The spelling of 80988723 in words is "eighty million, nine hundred eighty-eight thousand, seven hundred twenty-three".