23202120203 has 4 divisors (see below), whose sum is σ = 23205461280. Its totient is φ = 23198779128.

The previous prime is 23202120197. The next prime is 23202120223. The reversal of 23202120203 is 30202120232.

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 23202120203 - 2⁴ = 23202120187 is a prime.

It is a super-2 number, since 2×23202120203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23202120223) 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, 1660100 + ... + 1674017.

It is an arithmetic number, because the mean of its divisors is an integer number (5801365320).

Almost surely, 2^23202120203 is an apocalyptic number.

23202120203 is a deficient number, since it is larger than the sum of its proper divisors (3341077).

23202120203 is an equidigital number, since it uses as much as digits as its factorization.

23202120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341076.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23202120203 its reverse (30202120232), we get a palindrome (53404240435).

The spelling of 23202120203 in words is "twenty-three billion, two hundred two million, one hundred twenty thousand, two hundred three".