20011423003 has 24 divisors (see below), whose sum is σ = 23655004560. Its totient is φ = 16781506560.

The previous prime is 20011422989. The next prime is 20011423009. The reversal of 20011423003 is 30032411002.

It is a happy number.

It is not a de Polignac number, because 20011423003 - 2⁵ = 20011422971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20011423009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3880875 + ... + 3886027.

It is an arithmetic number, because the mean of its divisors is an integer number (985625190).

Almost surely, 2^20011423003 is an apocalyptic number.

20011423003 is a deficient number, since it is larger than the sum of its proper divisors (3643581557).

20011423003 is a wasteful number, since it uses less digits than its factorization.

20011423003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279 (or 7266 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20011423003 its reverse (30032411002), we get a palindrome (50043834005).

The spelling of 20011423003 in words is "twenty billion, eleven million, four hundred twenty-three thousand, three".