20134101423 has 4 divisors (see below), whose sum is σ = 26845468568. Its totient is φ = 13422734280.

The previous prime is 20134101413. The next prime is 20134101437. The reversal of 20134101423 is 32410143102.

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

It is not a de Polignac number, because 20134101423 - 2⁵ = 20134101391 is a prime.

It is a super-2 number, since 2×20134101423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20134101423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134101413) 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, 3355683568 + ... + 3355683573.

It is an arithmetic number, because the mean of its divisors is an integer number (6711367142).

Almost surely, 2^20134101423 is an apocalyptic number.

20134101423 is a deficient number, since it is larger than the sum of its proper divisors (6711367145).

20134101423 is an equidigital number, since it uses as much as digits as its factorization.

20134101423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711367144.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20134101423 its reverse (32410143102), we get a palindrome (52544244525).

The spelling of 20134101423 in words is "twenty billion, one hundred thirty-four million, one hundred one thousand, four hundred twenty-three".