23321321003 has 4 divisors (see below), whose sum is σ = 23321626440. Its totient is φ = 23321015568.

The previous prime is 23321320991. The next prime is 23321321033. The reversal of 23321321003 is 30012312332.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23321321003 - 2¹⁰ = 23321319979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23321321033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74543 + ... + 228471.

It is an arithmetic number, because the mean of its divisors is an integer number (5830406610).

Almost surely, 2^23321321003 is an apocalyptic number.

23321321003 is a deficient number, since it is larger than the sum of its proper divisors (305437).

23321321003 is a wasteful number, since it uses less digits than its factorization.

23321321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305436.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23321321003 its reverse (30012312332), we get a palindrome (53333633335).

The spelling of 23321321003 in words is "twenty-three billion, three hundred twenty-one million, three hundred twenty-one thousand, three".