12322001123 has 4 divisors (see below), whose sum is σ = 12437160120. Its totient is φ = 12206842128.

The previous prime is 12322001099. The next prime is 12322001141. The reversal of 12322001123 is 32110022321.

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 12322001123 - 2³² = 8027033827 is a prime.

It is a super-2 number, since 2×12322001123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322001173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57579338 + ... + 57579551.

It is an arithmetic number, because the mean of its divisors is an integer number (3109290030).

Almost surely, 2^12322001123 is an apocalyptic number.

12322001123 is a deficient number, since it is larger than the sum of its proper divisors (115158997).

12322001123 is a wasteful number, since it uses less digits than its factorization.

12322001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115158996.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12322001123 its reverse (32110022321), we get a palindrome (44432023444).

The spelling of 12322001123 in words is "twelve billion, three hundred twenty-two million, one thousand, one hundred twenty-three".