23321100203 has 4 divisors (see below), whose sum is σ = 23324612208. Its totient is φ = 23317588200.

The previous prime is 23321100163. The next prime is 23321100211. The reversal of 23321100203 is 30200112332.

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 23321100203 - 2³⁰ = 22247358379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23321103203) 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, 1746023 + ... + 1759328.

It is an arithmetic number, because the mean of its divisors is an integer number (5831153052).

Almost surely, 2^23321100203 is an apocalyptic number.

23321100203 is a deficient number, since it is larger than the sum of its proper divisors (3512005).

23321100203 is an equidigital number, since it uses as much as digits as its factorization.

23321100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512004.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23321100203 its reverse (30200112332), we get a palindrome (53521212535).

The spelling of 23321100203 in words is "twenty-three billion, three hundred twenty-one million, one hundred thousand, two hundred three".