23133321111 has 8 divisors (see below), whose sum is σ = 30860245504. Its totient is φ = 15414305400.

The previous prime is 23133321103. The next prime is 23133321187. The reversal of 23133321111 is 11112333132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23133321111 - 2³ = 23133321103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133321011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1970341 + ... + 1982046.

It is an arithmetic number, because the mean of its divisors is an integer number (3857530688).

Almost surely, 2^23133321111 is an apocalyptic number.

23133321111 is a deficient number, since it is larger than the sum of its proper divisors (7726924393).

23133321111 is a wasteful number, since it uses less digits than its factorization.

23133321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954341.

The product of its digits is 324, while the sum is 21.

Adding to 23133321111 its reverse (11112333132), we get a palindrome (34245654243).

The spelling of 23133321111 in words is "twenty-three billion, one hundred thirty-three million, three hundred twenty-one thousand, one hundred eleven".