12111423 has 8 divisors (see below), whose sum is σ = 16524288. Its totient is φ = 7886424.

The previous prime is 12111419. The next prime is 12111427. The reversal of 12111423 is 32411121.

It is an interprime number because it is at equal distance from previous prime (12111419) and next prime (12111427).

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

It is not a de Polignac number, because 12111423 - 2² = 12111419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111427) 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, 46815 + ... + 47072.

It is an arithmetic number, because the mean of its divisors is an integer number (2065536).

Almost surely, 2^12111423 is an apocalyptic number.

12111423 is a deficient number, since it is larger than the sum of its proper divisors (4412865).

12111423 is an equidigital number, since it uses as much as digits as its factorization.

12111423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93933.

The product of its digits is 48, while the sum is 15.

The square root of 12111423 is about 3480.1469796547. The cubic root of 12111423 is about 229.6492637818.

Adding to 12111423 its reverse (32411121), we get a palindrome (44522544).

The spelling of 12111423 in words is "twelve million, one hundred eleven thousand, four hundred twenty-three".