1223463 has 4 divisors (see below), whose sum is σ = 1631288. Its totient is φ = 815640.

The previous prime is 1223459. The next prime is 1223471. The reversal of 1223463 is 3643221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3643221 = 3 ⋅1214407.

It is not a de Polignac number, because 1223463 - 2² = 1223459 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223263) 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 3 ways as a sum of consecutive naturals, for example, 203908 + ... + 203913.

It is an arithmetic number, because the mean of its divisors is an integer number (407822).

2^1223463 is an apocalyptic number.

1223463 is a deficient number, since it is larger than the sum of its proper divisors (407825).

1223463 is an equidigital number, since it uses as much as digits as its factorization.

1223463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407824.

The product of its digits is 864, while the sum is 21.

The square root of 1223463 is about 1106.1026173009. The cubic root of 1223463 is about 106.9539791028.

Adding to 1223463 its reverse (3643221), we get a palindrome (4866684).

The spelling of 1223463 in words is "one million, two hundred twenty-three thousand, four hundred sixty-three".