23311133311 has 4 divisors (see below), whose sum is σ = 23354222824. Its totient is φ = 23268043800.

The previous prime is 23311133309. The next prime is 23311133327. The reversal of 23311133311 is 11333111332.

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

It is a cyclic number.

It is not a de Polignac number, because 23311133311 - 2¹ = 23311133309 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 (23311133341) 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, 21543945 + ... + 21545026.

It is an arithmetic number, because the mean of its divisors is an integer number (5838555706).

Almost surely, 2^23311133311 is an apocalyptic number.

23311133311 is a deficient number, since it is larger than the sum of its proper divisors (43089513).

23311133311 is an equidigital number, since it uses as much as digits as its factorization.

23311133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43089512.

The product of its digits is 486, while the sum is 22.

Adding to 23311133311 its reverse (11333111332), we get a palindrome (34644244643).

The spelling of 23311133311 in words is "twenty-three billion, three hundred eleven million, one hundred thirty-three thousand, three hundred eleven".