18482623 has 4 divisors (see below), whose sum is σ = 18505800. Its totient is φ = 18459448.

The previous prime is 18482617. The next prime is 18482627. The reversal of 18482623 is 32628481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32628481 = 47 ⋅694223.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18482623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18482627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10348 + ... + 12001.

It is an arithmetic number, because the mean of its divisors is an integer number (4626450).

Almost surely, 2^18482623 is an apocalyptic number.

18482623 is a deficient number, since it is larger than the sum of its proper divisors (23177).

18482623 is an equidigital number, since it uses as much as digits as its factorization.

18482623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23176.

The product of its digits is 18432, while the sum is 34.

The square root of 18482623 is about 4299.1421237265. The cubic root of 18482623 is about 264.3957896753.

The spelling of 18482623 in words is "eighteen million, four hundred eighty-two thousand, six hundred twenty-three".