1223363 has 4 divisors (see below), whose sum is σ = 1249440. Its totient is φ = 1197288.

The previous prime is 1223357. The next prime is 1223381. The reversal of 1223363 is 3633221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3633221 = 61 ⋅59561.

It is a cyclic number.

It is not a de Polignac number, because 1223363 - 2¹⁴ = 1206979 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1223323) 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, 12968 + ... + 13061.

It is an arithmetic number, because the mean of its divisors is an integer number (312360).

2^1223363 is an apocalyptic number.

1223363 is a deficient number, since it is larger than the sum of its proper divisors (26077).

1223363 is an equidigital number, since it uses as much as digits as its factorization.

1223363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26076.

The product of its digits is 648, while the sum is 20.

The square root of 1223363 is about 1106.0574126147. The cubic root of 1223363 is about 106.9510650549.

Adding to 1223363 its reverse (3633221), we get a palindrome (4856584).

The spelling of 1223363 in words is "one million, two hundred twenty-three thousand, three hundred sixty-three".