123223120023 has 4 divisors (see below), whose sum is σ = 164297493368. Its totient is φ = 82148746680.

The previous prime is 123223120003. The next prime is 123223120043. The reversal of 123223120023 is 320021322321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (123223120003) and next prime (123223120043).

It is not a de Polignac number, because 123223120023 - 2⁶ = 123223119959 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 (123223120003) 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, 20537186668 + ... + 20537186673.

It is an arithmetic number, because the mean of its divisors is an integer number (41074373342).

Almost surely, 2^123223120023 is an apocalyptic number.

123223120023 is a deficient number, since it is larger than the sum of its proper divisors (41074373345).

123223120023 is an equidigital number, since it uses as much as digits as its factorization.

123223120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41074373344.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123223120023 its reverse (320021322321), we get a palindrome (443244442344).

The spelling of 123223120023 in words is "one hundred twenty-three billion, two hundred twenty-three million, one hundred twenty thousand, twenty-three".