2263623 has 8 divisors (see below), whose sum is σ = 3099888. Its totient is φ = 1468224.

The previous prime is 2263619. The next prime is 2263627. The reversal of 2263623 is 3263622.

It is an interprime number because it is at equal distance from previous prime (2263619) and next prime (2263627).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2263623 - 2² = 2263619 is a prime.

It is a super-2 number, since 2×2263623² = 10247978172258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2263593 and 2263602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10086 + ... + 10307.

It is an arithmetic number, because the mean of its divisors is an integer number (387486).

2^2263623 is an apocalyptic number.

2263623 is a deficient number, since it is larger than the sum of its proper divisors (836265).

2263623 is a wasteful number, since it uses less digits than its factorization.

2263623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20433.

The product of its digits is 2592, while the sum is 24.

The square root of 2263623 is about 1504.5341471698. The cubic root of 2263623 is about 131.3009996817.

Subtracting 2263623 from its reverse (3263622), we obtain a palindrome (999999).

The spelling of 2263623 in words is "two million, two hundred sixty-three thousand, six hundred twenty-three".