1223412403 has 16 divisors (see below), whose sum is σ = 1255050720. Its totient is φ = 1192320000.

The previous prime is 1223412383. The next prime is 1223412493. The reversal of 1223412403 is 3042143221.

It is a cyclic number.

It is not a de Polignac number, because 1223412403 - 2⁵ = 1223412371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223412493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2653593 + ... + 2654053.

It is an arithmetic number, because the mean of its divisors is an integer number (78440670).

Almost surely, 2^1223412403 is an apocalyptic number.

1223412403 is a deficient number, since it is larger than the sum of its proper divisors (31638317).

1223412403 is a wasteful number, since it uses less digits than its factorization.

1223412403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1223412403 is about 34977.3126897994. The cubic root of 1223412403 is about 1069.5250470184.

Adding to 1223412403 its reverse (3042143221), we get a palindrome (4265555624).

The spelling of 1223412403 in words is "one billion, two hundred twenty-three million, four hundred twelve thousand, four hundred three".