14123651568 has 80 divisors (see below), whose sum is σ = 39432059520. Its totient is φ = 4330328832.

The previous prime is 14123651557. The next prime is 14123651569. The reversal of 14123651568 is 86515632141.

It is a super-2 number, since 2×14123651568² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14123651569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136603 + ... + 216581.

It is an arithmetic number, because the mean of its divisors is an integer number (492900744).

Almost surely, 2^14123651568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14123651568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19716029760).

14123651568 is an abundant number, since it is smaller than the sum of its proper divisors (25308407952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14123651568 is a wasteful number, since it uses less digits than its factorization.

14123651568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80286 (or 80280 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The spelling of 14123651568 in words is "fourteen billion, one hundred twenty-three million, six hundred fifty-one thousand, five hundred sixty-eight".