4233421440403 has 4 divisors (see below), whose sum is σ = 4233947143408. Its totient is φ = 4232895737400.

The previous prime is 4233421440359. The next prime is 4233421440407. The reversal of 4233421440403 is 3040441243324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4233421440403 is a prime.

It is a super-2 number, since 2×4233421440403² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4233421440407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262839423 + ... + 262855528.

It is an arithmetic number, because the mean of its divisors is an integer number (1058486785852).

Almost surely, 2^{4233421440403} is an apocalyptic number.

4233421440403 is a deficient number, since it is larger than the sum of its proper divisors (525703005).

4233421440403 is an equidigital number, since it uses as much as digits as its factorization.

4233421440403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525703004.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 4233421440403 its reverse (3040441243324), we get a palindrome (7273862683727).

The spelling of 4233421440403 in words is "four trillion, two hundred thirty-three billion, four hundred twenty-one million, four hundred forty thousand, four hundred three".