23001321003 has 8 divisors (see below), whose sum is σ = 30680690688. Its totient is φ = 15328082664.

The previous prime is 23001320999. The next prime is 23001321121. The reversal of 23001321003 is 30012310032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23001321003 - 2² = 23001320999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23001321403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524075 + ... + 1539092.

It is an arithmetic number, because the mean of its divisors is an integer number (3835086336).

Almost surely, 2^23001321003 is an apocalyptic number.

23001321003 is a deficient number, since it is larger than the sum of its proper divisors (7679369685).

23001321003 is a wasteful number, since it uses less digits than its factorization.

23001321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065673.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23001321003 its reverse (30012310032), we get a palindrome (53013631035).

The spelling of 23001321003 in words is "twenty-three billion, one million, three hundred twenty-one thousand, three".