123123120244033 has 16 divisors (see below), whose sum is σ = 151536525791616. Its totient is φ = 97415852267520.

The previous prime is 123123120243953. The next prime is 123123120244043. The reversal of 123123120244033 is 330442021321321.

It is a cyclic number.

It is not a de Polignac number, because 123123120244033 - 2⁴⁵ = 87938748155201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123123120243986 and 123123120244004.

It is not an unprimeable number, because it can be changed into a prime (123123120244043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40886610 + ... + 43794532.

It is an arithmetic number, because the mean of its divisors is an integer number (9471032861976).

Almost surely, 2^{123123120244033} is an apocalyptic number.

123123120244033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123123120244033 is a deficient number, since it is larger than the sum of its proper divisors (28413405547583).

123123120244033 is a wasteful number, since it uses less digits than its factorization.

123123120244033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373224.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 123123120244033 its reverse (330442021321321), we get a palindrome (453565141565354).

The spelling of 123123120244033 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, one hundred twenty million, two hundred forty-four thousand, thirty-three".