12144723 has 4 divisors (see below), whose sum is σ = 16192968. Its totient is φ = 8096480.

The previous prime is 12144709. The next prime is 12144739. The reversal of 12144723 is 32744121.

It is a happy number.

12144723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32744121 = 3 ⋅10914707.

It is a cyclic number.

It is not a de Polignac number, because 12144723 - 2¹⁰ = 12143699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12144693 and 12144702.

It is not an unprimeable number, because it can be changed into a prime (12144793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024118 + ... + 2024123.

It is an arithmetic number, because the mean of its divisors is an integer number (4048242).

Almost surely, 2^12144723 is an apocalyptic number.

12144723 is a deficient number, since it is larger than the sum of its proper divisors (4048245).

12144723 is an equidigital number, since it uses as much as digits as its factorization.

12144723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048244.

The product of its digits is 1344, while the sum is 24.

The square root of 12144723 is about 3484.9279763002. The cubic root of 12144723 is about 229.8595424715.

Adding to 12144723 its reverse (32744121), we get a palindrome (44888844).

It can be divided in two parts, 121 and 44723, that added together give a palindrome (44844).

The spelling of 12144723 in words is "twelve million, one hundred forty-four thousand, seven hundred twenty-three".