23020221103 has 4 divisors (see below), whose sum is σ = 25112968488. Its totient is φ = 20927473720.

The previous prime is 23020221089. The next prime is 23020221137. The reversal of 23020221103 is 30112202032.

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 23020221103 - 2²¹ = 23018123951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020221173) 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, 1046373676 + ... + 1046373697.

It is an arithmetic number, because the mean of its divisors is an integer number (6278242122).

Almost surely, 2^23020221103 is an apocalyptic number.

23020221103 is a deficient number, since it is larger than the sum of its proper divisors (2092747385).

23020221103 is a wasteful number, since it uses less digits than its factorization.

23020221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092747384.

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

Adding to 23020221103 its reverse (30112202032), we get a palindrome (53132423135).

The spelling of 23020221103 in words is "twenty-three billion, twenty million, two hundred twenty-one thousand, one hundred three".