123345322311 has 8 divisors (see below), whose sum is σ = 173116241920. Its totient is φ = 77902308792.

The previous prime is 123345322307. The next prime is 123345322319. The reversal of 123345322311 is 113223543321.

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

It is not a de Polignac number, because 123345322311 - 2² = 123345322307 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 (123345322319) 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, 1081976455 + ... + 1081976568.

It is an arithmetic number, because the mean of its divisors is an integer number (21639530240).

Almost surely, 2^123345322311 is an apocalyptic number.

123345322311 is a deficient number, since it is larger than the sum of its proper divisors (49770919609).

123345322311 is a wasteful number, since it uses less digits than its factorization.

123345322311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163953045.

The product of its digits is 12960, while the sum is 30.

Adding to 123345322311 its reverse (113223543321), we get a palindrome (236568865632).

The spelling of 123345322311 in words is "one hundred twenty-three billion, three hundred forty-five million, three hundred twenty-two thousand, three hundred eleven".