20140023 has 8 divisors (see below), whose sum is σ = 27193600. Its totient is φ = 13256568.

The previous prime is 20139997. The next prime is 20140027. The reversal of 20140023 is 32004102.

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

It is not a de Polignac number, because 20140023 - 2⁵ = 20139991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20139990 and 20140008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140027) 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 7 ways as a sum of consecutive naturals, for example, 42253 + ... + 42726.

It is an arithmetic number, because the mean of its divisors is an integer number (3399200).

Almost surely, 2^20140023 is an apocalyptic number.

20140023 is a deficient number, since it is larger than the sum of its proper divisors (7053577).

20140023 is an equidigital number, since it uses as much as digits as its factorization.

20140023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85061.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20140023 is about 4487.7636969876. The cubic root of 20140023 is about 272.0737572108.

Adding to 20140023 its reverse (32004102), we get a palindrome (52144125).

The spelling of 20140023 in words is "twenty million, one hundred forty thousand, twenty-three".