20123302223 has 4 divisors (see below), whose sum is σ = 20123677368. Its totient is φ = 20122927080.

The previous prime is 20123302207. The next prime is 20123302253. The reversal of 20123302223 is 32220332102.

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 20123302223 - 2⁴ = 20123302207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20123302195 and 20123302204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123302253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90293 + ... + 219998.

It is an arithmetic number, because the mean of its divisors is an integer number (5030919342).

Almost surely, 2^20123302223 is an apocalyptic number.

20123302223 is a deficient number, since it is larger than the sum of its proper divisors (375145).

20123302223 is an equidigital number, since it uses as much as digits as its factorization.

20123302223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375144.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20123302223 its reverse (32220332102), we get a palindrome (52343634325).

The spelling of 20123302223 in words is "twenty billion, one hundred twenty-three million, three hundred two thousand, two hundred twenty-three".