20053123 has 8 divisors (see below), whose sum is σ = 21009600. Its totient is φ = 19114368.

The previous prime is 20053109. The next prime is 20053129. The reversal of 20053123 is 32135002.

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

It is a cyclic number.

It is not a de Polignac number, because 20053123 - 2⁵ = 20053091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20053097 and 20053106.

It is not an unprimeable number, because it can be changed into a prime (20053129) 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, 2086 + ... + 6667.

It is an arithmetic number, because the mean of its divisors is an integer number (2626200).

Almost surely, 2^20053123 is an apocalyptic number.

20053123 is a deficient number, since it is larger than the sum of its proper divisors (956477).

20053123 is an equidigital number, since it uses as much as digits as its factorization.

20053123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8861.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 20053123 is about 4478.0713482480. The cubic root of 20053123 is about 271.6818792005.

Adding to 20053123 its reverse (32135002), we get a palindrome (52188125).

The spelling of 20053123 in words is "twenty million, fifty-three thousand, one hundred twenty-three".