23321311003 has 4 divisors (see below), whose sum is σ = 23340257248. Its totient is φ = 23302364760.

The previous prime is 23321310997. The next prime is 23321311021. The reversal of 23321311003 is 30011312332.

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

It is a cyclic number.

It is not a de Polignac number, because 23321311003 - 2¹³ = 23321302811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23321311073) 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, 9471276 + ... + 9473737.

It is an arithmetic number, because the mean of its divisors is an integer number (5835064312).

Almost surely, 2^23321311003 is an apocalyptic number.

23321311003 is a deficient number, since it is larger than the sum of its proper divisors (18946245).

23321311003 is a wasteful number, since it uses less digits than its factorization.

23321311003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18946244.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23321311003 its reverse (30011312332), we get a palindrome (53332623335).

The spelling of 23321311003 in words is "twenty-three billion, three hundred twenty-one million, three hundred eleven thousand, three".