123223113203311 has 48 divisors (see below), whose sum is σ = 139825942784640. Its totient is φ = 108454762785600.

The previous prime is 123223113203249. The next prime is 123223113203369. The reversal of 123223113203311 is 113302311322321.

It is not a de Polignac number, because 123223113203311 - 2¹⁵ = 123223113170543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123223113203311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123223113203611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2370971556 + ... + 2371023526.

It is an arithmetic number, because the mean of its divisors is an integer number (2913040474680).

Almost surely, 2^{123223113203311} is an apocalyptic number.

123223113203311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123223113203311 is a deficient number, since it is larger than the sum of its proper divisors (16602829581329).

123223113203311 is a wasteful number, since it uses less digits than its factorization.

123223113203311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57076 (or 57065 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 123223113203311 its reverse (113302311322321), we get a palindrome (236525424525632).

The spelling of 123223113203311 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, one hundred thirteen million, two hundred three thousand, three hundred eleven".