20124304014423 has 12 divisors (see below), whose sum is σ = 31213206226680. Its totient is φ = 11499602293872.

The previous prime is 20124304014401. The next prime is 20124304014467. The reversal of 20124304014423 is 32441040342102.

It is not a de Polignac number, because 20124304014423 - 2⁶ = 20124304014359 is a prime.

It is a super-2 number, since 2×20124304014423² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124304014923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68450013508 + ... + 68450013801.

It is an arithmetic number, because the mean of its divisors is an integer number (2601100518890).

Almost surely, 2^{20124304014423} is an apocalyptic number.

20124304014423 is a deficient number, since it is larger than the sum of its proper divisors (11088902212257).

20124304014423 is a wasteful number, since it uses less digits than its factorization.

20124304014423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136900027326 (or 136900027319 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 20124304014423 its reverse (32441040342102), we get a palindrome (52565344356525).

The spelling of 20124304014423 in words is "twenty trillion, one hundred twenty-four billion, three hundred four million, fourteen thousand, four hundred twenty-three".