12123102111323 has 8 divisors (see below), whose sum is σ = 13885028018400. Its totient is φ = 10368689748480.

The previous prime is 12123102111287. The next prime is 12123102111371. The reversal of 12123102111323 is 32311120132121.

It is a happy number.

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

It is not a de Polignac number, because 12123102111323 - 2⁶ = 12123102111259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12123102111823) 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, 1878382598 + ... + 1878389051.

It is an arithmetic number, because the mean of its divisors is an integer number (1735628502300).

Almost surely, 2^{12123102111323} is an apocalyptic number.

12123102111323 is a deficient number, since it is larger than the sum of its proper divisors (1761925907077).

12123102111323 is an equidigital number, since it uses as much as digits as its factorization.

12123102111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756772117.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12123102111323 its reverse (32311120132121), we get a palindrome (44434222243444).

The spelling of 12123102111323 in words is "twelve trillion, one hundred twenty-three billion, one hundred two million, one hundred eleven thousand, three hundred twenty-three".