14230015421 has 4 divisors (see below), whose sum is σ = 14498506332. Its totient is φ = 13961524512.

The previous prime is 14230015399. The next prime is 14230015507. The reversal of 14230015421 is 12451003241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6023467321 + 8206548100 = 77611^2 + 90590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14230015421 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 (14230015621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134245376 + ... + 134245481.

It is an arithmetic number, because the mean of its divisors is an integer number (3624626583).

Almost surely, 2^14230015421 is an apocalyptic number.

It is an amenable number.

14230015421 is a deficient number, since it is larger than the sum of its proper divisors (268490911).

14230015421 is an equidigital number, since it uses as much as digits as its factorization.

14230015421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268490910.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 14230015421 its reverse (12451003241), we get a palindrome (26681018662).

The spelling of 14230015421 in words is "fourteen billion, two hundred thirty million, fifteen thousand, four hundred twenty-one".