16123235863 has 8 divisors (see below), whose sum is σ = 19510470432. Its totient is φ = 13006980096.

The previous prime is 16123235813. The next prime is 16123235929. The reversal of 16123235863 is 36853232161.

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 16123235863 - 2¹⁷ = 16123104791 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 (16123235813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67744570 + ... + 67744807.

It is an arithmetic number, because the mean of its divisors is an integer number (2438808804).

Almost surely, 2^16123235863 is an apocalyptic number.

16123235863 is a deficient number, since it is larger than the sum of its proper divisors (3387234569).

16123235863 is a wasteful number, since it uses less digits than its factorization.

16123235863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135489401.

The product of its digits is 155520, while the sum is 40.

The spelling of 16123235863 in words is "sixteen billion, one hundred twenty-three million, two hundred thirty-five thousand, eight hundred sixty-three".