123013120023 has 12 divisors (see below), whose sum is σ = 178149553920. Its totient is φ = 81794622336.

The previous prime is 123013119919. The next prime is 123013120057. The reversal of 123013120023 is 320021310321.

It is not a de Polignac number, because 123013120023 - 2¹⁴ = 123013103639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123013119978 and 123013120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013120073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17840058 + ... + 17846951.

It is an arithmetic number, because the mean of its divisors is an integer number (14845796160).

Almost surely, 2^123013120023 is an apocalyptic number.

123013120023 is a deficient number, since it is larger than the sum of its proper divisors (55136433897).

123013120023 is a wasteful number, since it uses less digits than its factorization.

123013120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35687398 (or 35687395 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123013120023 its reverse (320021310321), we get a palindrome (443034430344).

The spelling of 123013120023 in words is "one hundred twenty-three billion, thirteen million, one hundred twenty thousand, twenty-three".