20323232003 has 4 divisors (see below), whose sum is σ = 20323793688. Its totient is φ = 20322670320.

The previous prime is 20323231997. The next prime is 20323232021. The reversal of 20323232003 is 30023232302.

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 20323232003 - 2²⁴ = 20306454787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323232053) 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, 222533 + ... + 300278.

It is an arithmetic number, because the mean of its divisors is an integer number (5080948422).

Almost surely, 2^20323232003 is an apocalyptic number.

20323232003 is a deficient number, since it is larger than the sum of its proper divisors (561685).

20323232003 is an equidigital number, since it uses as much as digits as its factorization.

20323232003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561684.

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 20323232003 its reverse (30023232302), we get a palindrome (50346464305).

The spelling of 20323232003 in words is "twenty billion, three hundred twenty-three million, two hundred thirty-two thousand, three".