2273623 has 8 divisors (see below), whose sum is σ = 2499840. Its totient is φ = 2050680.

The previous prime is 2273603. The next prime is 2273651. The reversal of 2273623 is 3263722.

2273623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2273623 - 2¹⁷ = 2142551 is a prime.

It is a super-2 number, since 2×2273623² = 10338723092258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁴ + 2¹⁸ + 7⁶ + 3⁹ + 6⁴ + 2¹⁸ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786 + ... + 2272.

It is an arithmetic number, because the mean of its divisors is an integer number (312480).

2^2273623 is an apocalyptic number.

2273623 is a deficient number, since it is larger than the sum of its proper divisors (226217).

2273623 is a wasteful number, since it uses less digits than its factorization.

2273623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637.

The product of its digits is 3024, while the sum is 25.

The square root of 2273623 is about 1507.8537727512. The cubic root of 2273623 is about 131.4940649926.

Subtracting 2273623 from its reverse (3263722), we obtain a palindrome (990099).

The spelling of 2273623 in words is "two million, two hundred seventy-three thousand, six hundred twenty-three".