12111044302423 has 4 divisors (see below), whose sum is σ = 13212048329928. Its totient is φ = 11010040274920.

The previous prime is 12111044302381. The next prime is 12111044302459. The reversal of 12111044302423 is 32420344011121.

It is a happy number.

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 12111044302423 - 2²⁵ = 12111010747991 is a prime.

It is a super-2 number, since 2×12111044302423² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12111044302391 and 12111044302400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111044302463) 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, 550502013736 + ... + 550502013757.

It is an arithmetic number, because the mean of its divisors is an integer number (3303012082482).

Almost surely, 2^{12111044302423} is an apocalyptic number.

12111044302423 is a deficient number, since it is larger than the sum of its proper divisors (1101004027505).

12111044302423 is a wasteful number, since it uses less digits than its factorization.

12111044302423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101004027504.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 12111044302423 its reverse (32420344011121), we get a palindrome (44531388313544).

The spelling of 12111044302423 in words is "twelve trillion, one hundred eleven billion, forty-four million, three hundred two thousand, four hundred twenty-three".