23533422011 has 12 divisors (see below), whose sum is σ = 26056145976. Its totient is φ = 21237844320.

The previous prime is 23533422001. The next prime is 23533422053. The reversal of 23533422011 is 11022433532.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23533422011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23533422001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 693245 + ... + 726398.

It is an arithmetic number, because the mean of its divisors is an integer number (2171345498).

Almost surely, 2^23533422011 is an apocalyptic number.

23533422011 is a deficient number, since it is larger than the sum of its proper divisors (2522723965).

23533422011 is a wasteful number, since it uses less digits than its factorization.

23533422011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419802 (or 1419791 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 23533422011 its reverse (11022433532), we get a palindrome (34555855543).

It can be divided in two parts, 23533 and 422011, that added together give a palindrome (445544).

The spelling of 23533422011 in words is "twenty-three billion, five hundred thirty-three million, four hundred twenty-two thousand, eleven".