16442673157123 has 4 divisors (see below), whose sum is σ = 16525299655600. Its totient is φ = 16360046658648.

The previous prime is 16442673157121. The next prime is 16442673157129. The reversal of 16442673157123 is 32175137624461.

16442673157123 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 16442673157123 - 2¹ = 16442673157121 is a prime.

It is a super-3 number, since 3×16442673157123³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16442673157121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41313248940 + ... + 41313249337.

It is an arithmetic number, because the mean of its divisors is an integer number (4131324913900).

Almost surely, 2^{16442673157123} is an apocalyptic number.

16442673157123 is a deficient number, since it is larger than the sum of its proper divisors (82626498477).

16442673157123 is an equidigital number, since it uses as much as digits as its factorization.

16442673157123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82626498476.

The product of its digits is 5080320, while the sum is 52.

The spelling of 16442673157123 in words is "sixteen trillion, four hundred forty-two billion, six hundred seventy-three million, one hundred fifty-seven thousand, one hundred twenty-three".