12001023101323 has 4 divisors (see below), whose sum is σ = 12522806714448. Its totient is φ = 11479239488200.

The previous prime is 12001023101269. The next prime is 12001023101387. The reversal of 12001023101323 is 32310132010021.

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 12001023101323 - 2³³ = 11992433166731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12001023101323.

It is not an unprimeable number, because it can be changed into a prime (12001023101423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260891806528 + ... + 260891806573.

It is an arithmetic number, because the mean of its divisors is an integer number (3130701678612).

Almost surely, 2^{12001023101323} is an apocalyptic number.

12001023101323 is a deficient number, since it is larger than the sum of its proper divisors (521783613125).

12001023101323 is an equidigital number, since it uses as much as digits as its factorization.

12001023101323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521783613124.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12001023101323 its reverse (32310132010021), we get a palindrome (44311155111344).

The spelling of 12001023101323 in words is "twelve trillion, one billion, twenty-three million, one hundred one thousand, three hundred twenty-three".