23211200233 has 4 divisors (see below), whose sum is σ = 24996677188. Its totient is φ = 21425723280.

The previous prime is 23211200143. The next prime is 23211200263. The reversal of 23211200233 is 33200211232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13486873689 + 9724326544 = 116133^2 + 98612^2 .

It is not a de Polignac number, because 23211200233 - 2¹³ = 23211192041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23211200233.

It is not an unprimeable number, because it can be changed into a prime (23211200263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892738458 + ... + 892738483.

It is an arithmetic number, because the mean of its divisors is an integer number (6249169297).

Almost surely, 2^23211200233 is an apocalyptic number.

It is an amenable number.

23211200233 is a deficient number, since it is larger than the sum of its proper divisors (1785476955).

23211200233 is a wasteful number, since it uses less digits than its factorization.

23211200233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785476954.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23211200233 its reverse (33200211232), we get a palindrome (56411411465).

The spelling of 23211200233 in words is "twenty-three billion, two hundred eleven million, two hundred thousand, two hundred thirty-three".