2320623 has 16 divisors (see below), whose sum is σ = 3496800. Its totient is φ = 1520640.

The previous prime is 2320583. The next prime is 2320627. The reversal of 2320623 is 3260232.

2320623 is a `hidden beast` number, since 23 + 20 + 623 = 666.

It is not a de Polignac number, because 2320623 - 2⁹ = 2320111 is a prime.

It is a super-2 number, since 2×2320623² = 10770582216258, which contains 22 as substring.

It is a plaindrome in base 11 and base 16.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 2320596 and 2320605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320627) 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 15 ways as a sum of consecutive naturals, for example, 943 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (218550).

2^2320623 is an apocalyptic number.

2320623 is a deficient number, since it is larger than the sum of its proper divisors (1176177).

2320623 is a wasteful number, since it uses less digits than its factorization.

2320623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2320623 is about 1523.3591172143. The cubic root of 2320623 is about 132.3939676213.

Adding to 2320623 its reverse (3260232), we get a palindrome (5580855).

The spelling of 2320623 in words is "two million, three hundred twenty thousand, six hundred twenty-three".