1403223 has 12 divisors (see below), whose sum is σ = 1950840. Its totient is φ = 896112.

The previous prime is 1403189. The next prime is 1403239. The reversal of 1403223 is 3223041.

It is not a de Polignac number, because 1403223 - 2⁶ = 1403159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10986 + ... + 11112.

It is an arithmetic number, because the mean of its divisors is an integer number (162570).

2^1403223 is an apocalyptic number.

1403223 is a deficient number, since it is larger than the sum of its proper divisors (547617).

1403223 is an equidigital number, since it uses as much as digits as its factorization.

1403223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1403223 is about 1184.5771397423. The cubic root of 1403223 is about 111.9546744742.

Adding to 1403223 its reverse (3223041), we get a palindrome (4626264).

The spelling of 1403223 in words is "one million, four hundred three thousand, two hundred twenty-three".