20140134423 has 8 divisors (see below), whose sum is σ = 26854184688. Its totient is φ = 13426420224.

The previous prime is 20140134401. The next prime is 20140134433. The reversal of 20140134423 is 32443104102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20140134423 - 2¹⁴ = 20140118039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20140134393 and 20140134402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140134433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145015 + ... + 247607.

It is an arithmetic number, because the mean of its divisors is an integer number (3356773086).

Almost surely, 2^20140134423 is an apocalyptic number.

20140134423 is a deficient number, since it is larger than the sum of its proper divisors (6714050265).

20140134423 is a wasteful number, since it uses less digits than its factorization.

20140134423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168033.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20140134423 its reverse (32443104102), we get a palindrome (52583238525).

The spelling of 20140134423 in words is "twenty billion, one hundred forty million, one hundred thirty-four thousand, four hundred twenty-three".