12111436023 has 8 divisors (see below), whose sum is σ = 16245280128. Its totient is φ = 8025941304.

The previous prime is 12111436013. The next prime is 12111436027. The reversal of 12111436023 is 32063411121.

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 12111436023 - 2¹³ = 12111427831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12111435984 and 12111436002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111436027) 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, 12086761 + ... + 12087762.

It is an arithmetic number, because the mean of its divisors is an integer number (2030660016).

Almost surely, 2^12111436023 is an apocalyptic number.

12111436023 is a deficient number, since it is larger than the sum of its proper divisors (4133844105).

12111436023 is a wasteful number, since it uses less digits than its factorization.

12111436023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24174693.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12111436023 its reverse (32063411121), we get a palindrome (44174847144).

The spelling of 12111436023 in words is "twelve billion, one hundred eleven million, four hundred thirty-six thousand, twenty-three".