1263223 has 4 divisors (see below), whose sum is σ = 1360408. Its totient is φ = 1166040.

The previous prime is 1263209. The next prime is 1263239. The reversal of 1263223 is 3223621.

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 1263223 - 2⁵ = 1263191 is a prime.

It is a Duffinian number.

1263223 is a lucky number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1263223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263263) 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, 48573 + ... + 48598.

It is an arithmetic number, because the mean of its divisors is an integer number (340102).

2^1263223 is an apocalyptic number.

1263223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1263223 is a deficient number, since it is larger than the sum of its proper divisors (97185).

1263223 is an equidigital number, since it uses as much as digits as its factorization.

1263223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97184.

The product of its digits is 432, while the sum is 19.

The square root of 1263223 is about 1123.9319374411. The cubic root of 1263223 is about 108.1002441459.

Adding to 1263223 its reverse (3223621), we get a palindrome (4486844).

The spelling of 1263223 in words is "one million, two hundred sixty-three thousand, two hundred twenty-three".