2311011323233 has 8 divisors (see below), whose sum is σ = 2437479777600. Its totient is φ = 2185026496848.

The previous prime is 2311011323221. The next prime is 2311011323261. The reversal of 2311011323233 is 3323231101132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311011323233 is a prime.

It is a super-2 number, since 2×2311011323233² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2311011323198 and 2311011323207.

It is not an unprimeable number, because it can be changed into a prime (2311011323213) 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, 120897178 + ... + 120916291.

It is an arithmetic number, because the mean of its divisors is an integer number (304684972200).

Almost surely, 2^{2311011323233} is an apocalyptic number.

It is an amenable number.

2311011323233 is a deficient number, since it is larger than the sum of its proper divisors (126468454367).

2311011323233 is a wasteful number, since it uses less digits than its factorization.

2311011323233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241813991.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2311011323233 its reverse (3323231101132), we get a palindrome (5634242424365).

The spelling of 2311011323233 in words is "two trillion, three hundred eleven billion, eleven million, three hundred twenty-three thousand, two hundred thirty-three".