2403223 has 4 divisors (see below), whose sum is σ = 2439160. Its totient is φ = 2367288.

The previous prime is 2403211. The next prime is 2403229. The reversal of 2403223 is 3223042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2403223 - 2¹³ = 2395031 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2403197 and 2403206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17868 + ... + 18001.

It is an arithmetic number, because the mean of its divisors is an integer number (609790).

2^2403223 is an apocalyptic number.

2403223 is a deficient number, since it is larger than the sum of its proper divisors (35937).

2403223 is an equidigital number, since it uses as much as digits as its factorization.

2403223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35936.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2403223 is about 1550.2332082626. The cubic root of 2403223 is about 133.9464960526.

Adding to 2403223 its reverse (3223042), we get a palindrome (5626265).

It can be divided in two parts, 2 and 403223, that added together give a square (403225 = 635²).

The spelling of 2403223 in words is "two million, four hundred three thousand, two hundred twenty-three".