16142452223 has 4 divisors (see below), whose sum is σ = 16142759688. Its totient is φ = 16142144760.

The previous prime is 16142452217. The next prime is 16142452237. The reversal of 16142452223 is 32225424161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32225424161 = 7 ⋅4603632023.

It is a cyclic number.

It is not a de Polignac number, because 16142452223 - 2²⁰ = 16141403647 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 16142452223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16142452283) 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, 52961 + ... + 187322.

It is an arithmetic number, because the mean of its divisors is an integer number (4035689922).

Almost surely, 2^16142452223 is an apocalyptic number.

16142452223 is a deficient number, since it is larger than the sum of its proper divisors (307465).

16142452223 is an equidigital number, since it uses as much as digits as its factorization.

16142452223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307464.

The product of its digits is 23040, while the sum is 32.

Adding to 16142452223 its reverse (32225424161), we get a palindrome (48367876384).

The spelling of 16142452223 in words is "sixteen billion, one hundred forty-two million, four hundred fifty-two thousand, two hundred twenty-three".