12020414423 has 4 divisors (see below), whose sum is σ = 12031874400. Its totient is φ = 12008954448.

The previous prime is 12020414411. The next prime is 12020414431. The reversal of 12020414423 is 32441402021.

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 12020414423 - 2¹⁶ = 12020348887 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 (12020414443) 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, 5728415 + ... + 5730512.

It is an arithmetic number, because the mean of its divisors is an integer number (3007968600).

Almost surely, 2^12020414423 is an apocalyptic number.

12020414423 is a deficient number, since it is larger than the sum of its proper divisors (11459977).

12020414423 is a wasteful number, since it uses less digits than its factorization.

12020414423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459976.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12020414423 its reverse (32441402021), we get a palindrome (44461816444).

The spelling of 12020414423 in words is "twelve billion, twenty million, four hundred fourteen thousand, four hundred twenty-three".