20120314454423 has 4 divisors (see below), whose sum is σ = 20395935200448. Its totient is φ = 19844693708400.

The previous prime is 20120314454399. The next prime is 20120314454437. The reversal of 20120314454423 is 32445441302102.

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 20120314454423 - 2³⁸ = 19845436547479 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 (20120314454453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137810372903 + ... + 137810373048.

It is an arithmetic number, because the mean of its divisors is an integer number (5098983800112).

Almost surely, 2^{20120314454423} is an apocalyptic number.

20120314454423 is a deficient number, since it is larger than the sum of its proper divisors (275620746025).

20120314454423 is an equidigital number, since it uses as much as digits as its factorization.

20120314454423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275620746024.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 20120314454423 its reverse (32445441302102), we get a palindrome (52565755756525).

The spelling of 20120314454423 in words is "twenty trillion, one hundred twenty billion, three hundred fourteen million, four hundred fifty-four thousand, four hundred twenty-three".