80623 has 4 divisors (see below), whose sum is σ = 82840. Its totient is φ = 78408.

The previous prime is 80621. The next prime is 80627. The reversal of 80623 is 32608.

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 80623 - 2¹ = 80621 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 80623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053 + ... + 1126.

It is an arithmetic number, because the mean of its divisors is an integer number (20710).

2⁸⁰⁶²³ is an apocalyptic number.

80623 is a deficient number, since it is larger than the sum of its proper divisors (2217).

80623 is a wasteful number, since it uses less digits than its factorization.

80623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 80623 is about 283.9418954645. The cubic root of 80623 is about 43.2002557712.

It can be divided in two parts, 80 and 623, that added together give a triangular number (703 = T₃₇).

The spelling of 80623 in words is "eighty thousand, six hundred twenty-three".