123001230023 has 4 divisors (see below), whose sum is σ = 140572834320. Its totient is φ = 105429625728.

The previous prime is 123001230013. The next prime is 123001230091. The reversal of 123001230023 is 320032100321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320032100321 = 128663 ⋅2487367.

It is not a de Polignac number, because 123001230023 - 2²⁴ = 122984452807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123001229983 and 123001230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001230013) 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, 8785802138 + ... + 8785802151.

It is an arithmetic number, because the mean of its divisors is an integer number (35143208580).

Almost surely, 2^123001230023 is an apocalyptic number.

123001230023 is a deficient number, since it is larger than the sum of its proper divisors (17571604297).

123001230023 is an equidigital number, since it uses as much as digits as its factorization.

123001230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17571604296.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123001230023 its reverse (320032100321), we get a palindrome (443033330344).

The spelling of 123001230023 in words is "one hundred twenty-three billion, one million, two hundred thirty thousand, twenty-three".