123110013023 has 4 divisors (see below), whose sum is σ = 123625117920. Its totient is φ = 122594908128.

The previous prime is 123110013017. The next prime is 123110013079. The reversal of 123110013023 is 320310011321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320310011321 = 37 ⋅8657027333.

It is a cyclic number.

It is not a de Polignac number, because 123110013023 - 2⁶ = 123110012959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123110012992 and 123110013010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123110013083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257552090 + ... + 257552567.

It is an arithmetic number, because the mean of its divisors is an integer number (30906279480).

Almost surely, 2^123110013023 is an apocalyptic number.

123110013023 is a deficient number, since it is larger than the sum of its proper divisors (515104897).

123110013023 is an equidigital number, since it uses as much as digits as its factorization.

123110013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515104896.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123110013023 its reverse (320310011321), we get a palindrome (443420024344).

The spelling of 123110013023 in words is "one hundred twenty-three billion, one hundred ten million, thirteen thousand, twenty-three".