14321421123 has 16 divisors (see below), whose sum is σ = 19371311520. Its totient is φ = 9409768704.

The previous prime is 14321421091. The next prime is 14321421131. The reversal of 14321421123 is 32112412341.

It is not a de Polignac number, because 14321421123 - 2⁵ = 14321421091 is a prime.

It is a super-2 number, since 2×14321421123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14321421093 and 14321421102.

It is not an unprimeable number, because it can be changed into a prime (14321421143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276873 + ... + 324501.

It is an arithmetic number, because the mean of its divisors is an integer number (1210706970).

Almost surely, 2^14321421123 is an apocalyptic number.

14321421123 is a deficient number, since it is larger than the sum of its proper divisors (5049890397).

14321421123 is a wasteful number, since it uses less digits than its factorization.

14321421123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49078.

The product of its digits is 1152, while the sum is 24.

Adding to 14321421123 its reverse (32112412341), we get a palindrome (46433833464).

The spelling of 14321421123 in words is "fourteen billion, three hundred twenty-one million, four hundred twenty-one thousand, one hundred twenty-three".