20110000123 has 8 divisors (see below), whose sum is σ = 20258035200. Its totient is φ = 19962435240.

The previous prime is 20110000117. The next prime is 20110000147. The reversal of 20110000123 is 32100001102.

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 20110000123 - 2²⁵ = 20076445691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110009123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31465 + ... + 203002.

It is an arithmetic number, because the mean of its divisors is an integer number (2532254400).

Almost surely, 2^20110000123 is an apocalyptic number.

20110000123 is a deficient number, since it is larger than the sum of its proper divisors (148035077).

20110000123 is a wasteful number, since it uses less digits than its factorization.

20110000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235097.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20110000123 its reverse (32100001102), we get a palindrome (52210001225).

The spelling of 20110000123 in words is "twenty billion, one hundred ten million, one hundred twenty-three", and thus it is an aban number.