12014165623 has 4 divisors (see below), whose sum is σ = 12338872840. Its totient is φ = 11689458408.

The previous prime is 12014165609. The next prime is 12014165629. The reversal of 12014165623 is 32656141021.

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 12014165623 - 2¹⁷ = 12014034551 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 (12014165629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162353553 + ... + 162353626.

It is an arithmetic number, because the mean of its divisors is an integer number (3084718210).

Almost surely, 2^12014165623 is an apocalyptic number.

12014165623 is a deficient number, since it is larger than the sum of its proper divisors (324707217).

12014165623 is an equidigital number, since it uses as much as digits as its factorization.

12014165623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324707216.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 12014165623 in words is "twelve billion, fourteen million, one hundred sixty-five thousand, six hundred twenty-three".