14015123421 has 8 divisors (see below), whose sum is σ = 20124279840. Its totient is φ = 8624691312.

The previous prime is 14015123413. The next prime is 14015123491. The reversal of 14015123421 is 12432151041.

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

It is not a de Polignac number, because 14015123421 - 2³ = 14015123413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14015123391 and 14015123400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14015123411) 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, 179681031 + ... + 179681108.

It is an arithmetic number, because the mean of its divisors is an integer number (2515534980).

Almost surely, 2^14015123421 is an apocalyptic number.

It is an amenable number.

14015123421 is a deficient number, since it is larger than the sum of its proper divisors (6109156419).

14015123421 is a wasteful number, since it uses less digits than its factorization.

14015123421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359362155.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 14015123421 its reverse (12432151041), we get a palindrome (26447274462).

The spelling of 14015123421 in words is "fourteen billion, fifteen million, one hundred twenty-three thousand, four hundred twenty-one".