12136424423 has 8 divisors (see below), whose sum is σ = 13005156528. Its totient is φ = 11284895104.

The previous prime is 12136424407. The next prime is 12136424429. The reversal of 12136424423 is 32442463121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12136424423 - 2⁴ = 12136424407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12136424423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136424429) 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 7 ways as a sum of consecutive naturals, for example, 4299236 + ... + 4302057.

It is an arithmetic number, because the mean of its divisors is an integer number (1625644566).

Almost surely, 2^12136424423 is an apocalyptic number.

12136424423 is a deficient number, since it is larger than the sum of its proper divisors (868732105).

12136424423 is an equidigital number, since it uses as much as digits as its factorization.

12136424423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8601393.

The product of its digits is 27648, while the sum is 32.

Adding to 12136424423 its reverse (32442463121), we get a palindrome (44578887544).

The spelling of 12136424423 in words is "twelve billion, one hundred thirty-six million, four hundred twenty-four thousand, four hundred twenty-three".