20443103223 has 8 divisors (see below), whose sum is σ = 27335574000. Its totient is φ = 13589683968.

The previous prime is 20443103207. The next prime is 20443103231. The reversal of 20443103223 is 32230134402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20443103223 - 2⁴ = 20443103207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20443103193 and 20443103202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443103623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9761658 + ... + 9763751.

It is an arithmetic number, because the mean of its divisors is an integer number (3416946750).

Almost surely, 2^20443103223 is an apocalyptic number.

20443103223 is a deficient number, since it is larger than the sum of its proper divisors (6892470777).

20443103223 is a wasteful number, since it uses less digits than its factorization.

20443103223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19525761.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20443103223 its reverse (32230134402), we get a palindrome (52673237625).

The spelling of 20443103223 in words is "twenty billion, four hundred forty-three million, one hundred three thousand, two hundred twenty-three".