12023740111 has 4 divisors (see below), whose sum is σ = 12024972000. Its totient is φ = 12022508224.

The previous prime is 12023740049. The next prime is 12023740133. The reversal of 12023740111 is 11104732021.

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 12023740111 - 2²⁵ = 11990185679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023740411) 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, 601186 + ... + 620863.

It is an arithmetic number, because the mean of its divisors is an integer number (3006243000).

Almost surely, 2^12023740111 is an apocalyptic number.

12023740111 is a deficient number, since it is larger than the sum of its proper divisors (1231889).

12023740111 is an equidigital number, since it uses as much as digits as its factorization.

12023740111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231888.

The product of its (nonzero) digits is 336, while the sum is 22.

The spelling of 12023740111 in words is "twelve billion, twenty-three million, seven hundred forty thousand, one hundred eleven".