23220002133 has 20 divisors (see below), whose sum is σ = 35161838668. Its totient is φ = 15267942720.

The previous prime is 23220002131. The next prime is 23220002149. The reversal of 23220002133 is 33120002232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4559895729 + 18660106404 = 67527^2 + 136602^2 .

It is not a de Polignac number, because 23220002133 - 2¹ = 23220002131 is a prime.

It is a super-3 number, since 3×23220002133³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220002131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1957558 + ... + 1969383.

Almost surely, 2^23220002133 is an apocalyptic number.

It is an amenable number.

23220002133 is a deficient number, since it is larger than the sum of its proper divisors (11941836535).

23220002133 is an equidigital number, since it uses as much as digits as its factorization.

23220002133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927026 (or 3927017 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23220002133 its reverse (33120002232), we get a palindrome (56340004365).

Subtracting 23220002133 from its reverse (33120002232), we obtain a palindrome (9900000099).

The spelling of 23220002133 in words is "twenty-three billion, two hundred twenty million, two thousand, one hundred thirty-three".