12144422023 has 4 divisors (see below), whose sum is σ = 12145525560. Its totient is φ = 12143318488.

The previous prime is 12144422021. The next prime is 12144422029. The reversal of 12144422023 is 32022444121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32022444121 = 4457 ⋅7184753.

It is a cyclic number.

It is not a de Polignac number, because 12144422023 - 2¹ = 12144422021 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 (12144422021) 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, 535093 + ... + 557326.

It is an arithmetic number, because the mean of its divisors is an integer number (3036381390).

Almost surely, 2^12144422023 is an apocalyptic number.

12144422023 is a deficient number, since it is larger than the sum of its proper divisors (1103537).

12144422023 is a wasteful number, since it uses less digits than its factorization.

12144422023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103536.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12144422023 its reverse (32022444121), we get a palindrome (44166866144).

The spelling of 12144422023 in words is "twelve billion, one hundred forty-four million, four hundred twenty-two thousand, twenty-three".