23221304403 has 16 divisors (see below), whose sum is σ = 33868494336. Its totient is φ = 14035163040.

The previous prime is 23221304401. The next prime is 23221304417. The reversal of 23221304403 is 30440312232.

It is not a de Polignac number, because 23221304403 - 2¹ = 23221304401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23221304401) 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, 946576 + ... + 970797.

It is an arithmetic number, because the mean of its divisors is an integer number (2116780896).

Almost surely, 2^23221304403 is an apocalyptic number.

23221304403 is a deficient number, since it is larger than the sum of its proper divisors (10647189933).

23221304403 is a wasteful number, since it uses less digits than its factorization.

23221304403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917754.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23221304403 its reverse (30440312232), we get a palindrome (53661616635).

The spelling of 23221304403 in words is "twenty-three billion, two hundred twenty-one million, three hundred four thousand, four hundred three".