79623 has 10 divisors (see below), whose sum is σ = 119064. Its totient is φ = 53028.

The previous prime is 79621. The next prime is 79627. The reversal of 79623 is 32697.

It is not a de Polignac number, because 79623 - 2¹ = 79621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 7³ + 9⁵ + 6² + 2⁹ + 3⁹ .

79623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 411 + ... + 572.

2⁷⁹⁶²³ is an apocalyptic number.

79623 is a deficient number, since it is larger than the sum of its proper divisors (39441).

79623 is an equidigital number, since it uses as much as digits as its factorization.

79623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 986 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 79623 is about 282.1754773186. The cubic root of 79623 is about 43.0209020428.

The spelling of 79623 in words is "seventy-nine thousand, six hundred twenty-three".