1224423403 has 8 divisors (see below), whose sum is σ = 1472990720. Its totient is φ = 994268520.

The previous prime is 1224423397. The next prime is 1224423407. The reversal of 1224423403 is 3043244221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1224423403 - 2²¹ = 1222326251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224423407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4602963 + ... + 4603228.

It is an arithmetic number, because the mean of its divisors is an integer number (184123840).

Almost surely, 2^1224423403 is an apocalyptic number.

1224423403 is a deficient number, since it is larger than the sum of its proper divisors (248567317).

1224423403 is an equidigital number, since it uses as much as digits as its factorization.

1224423403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9206217.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1224423403 is about 34991.7619304887. The cubic root of 1224423403 is about 1069.8195762400.

Adding to 1224423403 its reverse (3043244221), we get a palindrome (4267667624).

The spelling of 1224423403 in words is "one billion, two hundred twenty-four million, four hundred twenty-three thousand, four hundred three".