1226423 has 4 divisors (see below), whose sum is σ = 1337928. Its totient is φ = 1114920.

The previous prime is 1226417. The next prime is 1226461. The reversal of 1226423 is 3246221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3246221 = 11 ⋅295111.

It is a cyclic number.

It is not a de Polignac number, because 1226423 - 2¹⁴ = 1210039 is a prime.

It is a super-2 number, since 2×1226423² = 3008226749858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1226395 and 1226404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55736 + ... + 55757.

It is an arithmetic number, because the mean of its divisors is an integer number (334482).

2^1226423 is an apocalyptic number.

1226423 is a deficient number, since it is larger than the sum of its proper divisors (111505).

1226423 is a wasteful number, since it uses less digits than its factorization.

1226423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111504.

The product of its digits is 576, while the sum is 20.

The square root of 1226423 is about 1107.4398403525. The cubic root of 1226423 is about 107.0401631041.

The spelling of 1226423 in words is "one million, two hundred twenty-six thousand, four hundred twenty-three".