20003321323 has 8 divisors (see below), whose sum is σ = 20058192000. Its totient is φ = 19948497408.

The previous prime is 20003321311. The next prime is 20003321339. The reversal of 20003321323 is 32312330002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20003321323 - 2⁹ = 20003320811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20003321323.

It is not an unprimeable number, because it can be changed into a prime (20003321383) 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, 951813 + ... + 972601.

It is an arithmetic number, because the mean of its divisors is an integer number (2507274000).

Almost surely, 2^20003321323 is an apocalyptic number.

20003321323 is a deficient number, since it is larger than the sum of its proper divisors (54870677).

20003321323 is a wasteful number, since it uses less digits than its factorization.

20003321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23381.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20003321323 its reverse (32312330002), we get a palindrome (52315651325).

The spelling of 20003321323 in words is "twenty billion, three million, three hundred twenty-one thousand, three hundred twenty-three".