20112103223 has 8 divisors (see below), whose sum is σ = 20607656496. Its totient is φ = 19616788800.

The previous prime is 20112103217. The next prime is 20112103243. The reversal of 20112103223 is 32230121102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112103223 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 (20112103243) 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, 117140 + ... + 232262.

It is an arithmetic number, because the mean of its divisors is an integer number (2575957062).

Almost surely, 2^20112103223 is an apocalyptic number.

20112103223 is a deficient number, since it is larger than the sum of its proper divisors (495553273).

20112103223 is a wasteful number, since it uses less digits than its factorization.

20112103223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119425.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20112103223 its reverse (32230121102), we get a palindrome (52342224325).

The spelling of 20112103223 in words is "twenty billion, one hundred twelve million, one hundred three thousand, two hundred twenty-three".