20123023032223 has 4 divisors (see below), whose sum is σ = 20772152807488. Its totient is φ = 19473893256960.

The previous prime is 20123023032191. The next prime is 20123023032227. The reversal of 20123023032223 is 32223032032102.

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 20123023032223 - 2⁵ = 20123023032191 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 (20123023032227) 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, 324564887586 + ... + 324564887647.

It is an arithmetic number, because the mean of its divisors is an integer number (5193038201872).

Almost surely, 2^{20123023032223} is an apocalyptic number.

20123023032223 is a deficient number, since it is larger than the sum of its proper divisors (649129775265).

20123023032223 is an equidigital number, since it uses as much as digits as its factorization.

20123023032223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649129775264.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20123023032223 its reverse (32223032032102), we get a palindrome (52346055064325).

The spelling of 20123023032223 in words is "twenty trillion, one hundred twenty-three billion, twenty-three million, thirty-two thousand, two hundred twenty-three".