16038512123 has 8 divisors (see below), whose sum is σ = 16915822800. Its totient is φ = 15164519328.

The previous prime is 16038512069. The next prime is 16038512141. The reversal of 16038512123 is 32121583061.

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

It is a cyclic number.

It is not a de Polignac number, because 16038512123 - 2²⁴ = 16021734907 is a prime.

It is a super-2 number, since 2×16038512123² (a number of 21 digits) contains 22 as substring.

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 16038512123.

It is not an unprimeable number, because it can be changed into a prime (16038512183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819536 + ... + 838877.

It is an arithmetic number, because the mean of its divisors is an integer number (2114477850).

Almost surely, 2^16038512123 is an apocalyptic number.

16038512123 is a deficient number, since it is larger than the sum of its proper divisors (877310677).

16038512123 is a wasteful number, since it uses less digits than its factorization.

16038512123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658941.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 16038512123 in words is "sixteen billion, thirty-eight million, five hundred twelve thousand, one hundred twenty-three".