123300023123 has 4 divisors (see below), whose sum is σ = 124571157480. Its totient is φ = 122028888768.

The previous prime is 123300023107. The next prime is 123300023141. The reversal of 123300023123 is 321320003321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321320003321 = 23 ⋅13970434927.

It is a cyclic number.

It is not a de Polignac number, because 123300023123 - 2⁴ = 123300023107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123300023095 and 123300023104.

It is not an unprimeable number, because it can be changed into a prime (123300023723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635567033 + ... + 635567226.

It is an arithmetic number, because the mean of its divisors is an integer number (31142789370).

Almost surely, 2^123300023123 is an apocalyptic number.

123300023123 is a deficient number, since it is larger than the sum of its proper divisors (1271134357).

123300023123 is an equidigital number, since it uses as much as digits as its factorization.

123300023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271134356.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 123300023123 its reverse (321320003321), we get a palindrome (444620026444).

The spelling of 123300023123 in words is "one hundred twenty-three billion, three hundred million, twenty-three thousand, one hundred twenty-three".