20110000023 has 6 divisors (see below), whose sum is σ = 29047777824. Its totient is φ = 13406666676.

The previous prime is 20110000003. The next prime is 20110000061. The reversal of 20110000023 is 32000001102.

It is a happy number.

It is not a de Polignac number, because 20110000023 - 2¹⁰ = 20109998999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 2234444447 = 20110000023 / (2 + 0 + 1 + 1 + 0 + 0 + 0 + 0 + 0 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110000003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117222215 + ... + 1117222232.

It is an arithmetic number, because the mean of its divisors is an integer number (4841296304).

Almost surely, 2^20110000023 is an apocalyptic number.

20110000023 is a deficient number, since it is larger than the sum of its proper divisors (8937777801).

20110000023 is a wasteful number, since it uses less digits than its factorization.

20110000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234444453 (or 2234444450 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20110000023 its reverse (32000001102), we get a palindrome (52110001125).

The spelling of 20110000023 in words is "twenty billion, one hundred ten million, twenty-three", and thus it is an aban number.