12123323311 has 8 divisors (see below), whose sum is σ = 13342484304. Its totient is φ = 10923669120.

The previous prime is 12123323291. The next prime is 12123323323. The reversal of 12123323311 is 11332332121.

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

It is a cyclic number.

It is not a de Polignac number, because 12123323311 - 2¹¹ = 12123321263 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 (12123323341) 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, 4875396 + ... + 4877881.

It is an arithmetic number, because the mean of its divisors is an integer number (1667810538).

Almost surely, 2^12123323311 is an apocalyptic number.

12123323311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12123323311 is a deficient number, since it is larger than the sum of its proper divisors (1219160993).

12123323311 is a wasteful number, since it uses less digits than its factorization.

12123323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9753401.

The product of its digits is 648, while the sum is 22.

Adding to 12123323311 its reverse (11332332121), we get a palindrome (23455655432).

The spelling of 12123323311 in words is "twelve billion, one hundred twenty-three million, three hundred twenty-three thousand, three hundred eleven".