20014311211423 has 4 divisors (see below), whose sum is σ = 20267656923040. Its totient is φ = 19760965499808.

The previous prime is 20014311211357. The next prime is 20014311211439. The reversal of 20014311211423 is 32411211341002.

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 20014311211423 - 2²¹ = 20014309114271 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 (20014311211483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126672855690 + ... + 126672855847.

It is an arithmetic number, because the mean of its divisors is an integer number (5066914230760).

Almost surely, 2^{20014311211423} is an apocalyptic number.

20014311211423 is a deficient number, since it is larger than the sum of its proper divisors (253345711617).

20014311211423 is an equidigital number, since it uses as much as digits as its factorization.

20014311211423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253345711616.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 20014311211423 its reverse (32411211341002), we get a palindrome (52425522552425).

The spelling of 20014311211423 in words is "twenty trillion, fourteen billion, three hundred eleven million, two hundred eleven thousand, four hundred twenty-three".