20111214023 has 4 divisors (see below), whose sum is σ = 20212275600. Its totient is φ = 20010152448.

The previous prime is 20111213999. The next prime is 20111214077. The reversal of 20111214023 is 32041211102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20111214023 - 2¹⁶ = 20111148487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20111213992 and 20111214010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111214223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50530490 + ... + 50530887.

It is an arithmetic number, because the mean of its divisors is an integer number (5053068900).

Almost surely, 2^20111214023 is an apocalyptic number.

20111214023 is a deficient number, since it is larger than the sum of its proper divisors (101061577).

20111214023 is a wasteful number, since it uses less digits than its factorization.

20111214023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101061576.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20111214023 its reverse (32041211102), we get a palindrome (52152425125).

The spelling of 20111214023 in words is "twenty billion, one hundred eleven million, two hundred fourteen thousand, twenty-three".