14155123143 has 16 divisors (see below), whose sum is σ = 21651734016. Its totient is φ = 8057883360.

The previous prime is 14155123069. The next prime is 14155123153. The reversal of 14155123143 is 34132155141.

It is not a de Polignac number, because 14155123143 - 2¹² = 14155119047 is a prime.

It is a super-2 number, since 2×14155123143² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14155123143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14155123153) 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, 1275948 + ... + 1286993.

It is an arithmetic number, because the mean of its divisors is an integer number (1353233376).

Almost surely, 2^14155123143 is an apocalyptic number.

14155123143 is a deficient number, since it is larger than the sum of its proper divisors (7496610873).

14155123143 is a wasteful number, since it uses less digits than its factorization.

14155123143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563214.

The product of its digits is 7200, while the sum is 30.

Adding to 14155123143 its reverse (34132155141), we get a palindrome (48287278284).

The spelling of 14155123143 in words is "fourteen billion, one hundred fifty-five million, one hundred twenty-three thousand, one hundred forty-three".