123101442023 has 6 divisors (see below), whose sum is σ = 143199636696. Its totient is φ = 105515521692.

The previous prime is 123101441971. The next prime is 123101442031. The reversal of 123101442023 is 320244101321.

It is not a de Polignac number, because 123101442023 - 2⁸ = 123101441767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123101442023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101442623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1256137115 + ... + 1256137212.

It is an arithmetic number, because the mean of its divisors is an integer number (23866606116).

Almost surely, 2^123101442023 is an apocalyptic number.

123101442023 is a deficient number, since it is larger than the sum of its proper divisors (20098194673).

123101442023 is an equidigital number, since it uses as much as digits as its factorization.

123101442023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512274341 (or 2512274334 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123101442023 its reverse (320244101321), we get a palindrome (443345543344).

The spelling of 123101442023 in words is "one hundred twenty-three billion, one hundred one million, four hundred forty-two thousand, twenty-three".