23200021033 has 6 divisors (see below), whose sum is σ = 26987779626. Its totient is φ = 19885732272.

The previous prime is 23200021027. The next prime is 23200021051. The reversal of 23200021033 is 33012000232.

It can be written as a sum of positive squares in only one way, i.e., 19256557824 + 3943463209 = 138768^2 + 62797^2 .

It is not a de Polignac number, because 23200021033 - 2⁵ = 23200021001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23200020998 and 23200021016.

It is not an unprimeable number, because it can be changed into a prime (23200021063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236734860 + ... + 236734957.

It is an arithmetic number, because the mean of its divisors is an integer number (4497963271).

Almost surely, 2^23200021033 is an apocalyptic number.

It is an amenable number.

23200021033 is a deficient number, since it is larger than the sum of its proper divisors (3787758593).

23200021033 is an equidigital number, since it uses as much as digits as its factorization.

23200021033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473469831 (or 473469824 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 23200021033 its reverse (33012000232), we get a palindrome (56212021265).

The spelling of 23200021033 in words is "twenty-three billion, two hundred million, twenty-one thousand, thirty-three".