23221032003 has 24 divisors (see below), whose sum is σ = 38246408928. Its totient is φ = 13449284352.

The previous prime is 23221031947. The next prime is 23221032007. The reversal of 23221032003 is 30023012232.

It is a happy number.

It is not a de Polignac number, because 23221032003 - 2¹⁴ = 23221015619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23221032007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5835375 + ... + 5839352.

It is an arithmetic number, because the mean of its divisors is an integer number (1593600372).

Almost surely, 2^23221032003 is an apocalyptic number.

23221032003 is a deficient number, since it is larger than the sum of its proper divisors (15025376925).

23221032003 is a wasteful number, since it uses less digits than its factorization.

23221032003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11674763 (or 11674760 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23221032003 its reverse (30023012232), we get a palindrome (53244044235).

The spelling of 23221032003 in words is "twenty-three billion, two hundred twenty-one million, thirty-two thousand, three".