14312121423 has 4 divisors (see below), whose sum is σ = 19082828568. Its totient is φ = 9541414280.

The previous prime is 14312121407. The next prime is 14312121437. The reversal of 14312121423 is 32412121341.

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

It is a cyclic number.

It is not a de Polignac number, because 14312121423 - 2⁴ = 14312121407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14312121393 and 14312121402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14312121023) 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, 2385353568 + ... + 2385353573.

It is an arithmetic number, because the mean of its divisors is an integer number (4770707142).

Almost surely, 2^14312121423 is an apocalyptic number.

14312121423 is a deficient number, since it is larger than the sum of its proper divisors (4770707145).

14312121423 is an equidigital number, since it uses as much as digits as its factorization.

14312121423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770707144.

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

Adding to 14312121423 its reverse (32412121341), we get a palindrome (46724242764).

The spelling of 14312121423 in words is "fourteen billion, three hundred twelve million, one hundred twenty-one thousand, four hundred twenty-three".