20123083 has 8 divisors (see below), whose sum is σ = 20347200. Its totient is φ = 19900608.

The previous prime is 20123063. The next prime is 20123099. The reversal of 20123083 is 38032102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20123083 is a prime.

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 20123083.

It is not an unprimeable number, because it can be changed into a prime (20123063) 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, 64135 + ... + 64447.

It is an arithmetic number, because the mean of its divisors is an integer number (2543400).

Almost surely, 2^20123083 is an apocalyptic number.

20123083 is a deficient number, since it is larger than the sum of its proper divisors (224117).

20123083 is a wasteful number, since it uses less digits than its factorization.

20123083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20123083 is about 4485.8759456766. The cubic root of 20123083 is about 271.9974543807.

Adding to 20123083 its reverse (38032102), we get a palindrome (58155185).

The spelling of 20123083 in words is "twenty million, one hundred twenty-three thousand, eighty-three".