1223032403 has 4 divisors (see below), whose sum is σ = 1234906608. Its totient is φ = 1211158200.

The previous prime is 1223032397. The next prime is 1223032409. The reversal of 1223032403 is 3042303221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1223032397) and next prime (1223032409).

It is a cyclic number.

It is not a de Polignac number, because 1223032403 - 2¹⁸ = 1222770259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223032409) 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, 5936948 + ... + 5937153.

It is an arithmetic number, because the mean of its divisors is an integer number (308726652).

Almost surely, 2^1223032403 is an apocalyptic number.

1223032403 is a deficient number, since it is larger than the sum of its proper divisors (11874205).

1223032403 is a wasteful number, since it uses less digits than its factorization.

1223032403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11874204.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1223032403 is about 34971.8801753637. The cubic root of 1223032403 is about 1069.4143016958.

Adding to 1223032403 its reverse (3042303221), we get a palindrome (4265335624).

The spelling of 1223032403 in words is "one billion, two hundred twenty-three million, thirty-two thousand, four hundred three".