123120242300003 has 6 divisors (see below), whose sum is σ = 133319552313204. Its totient is φ = 113649454430616.

The previous prime is 123120242299997. The next prime is 123120242300017. The reversal of 123120242300003 is 300003242021321.

It is not a de Polignac number, because 123120242300003 - 2¹² = 123120242295907 is a prime.

It is a super-2 number, since 2×123120242300003² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123120242300063) 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, 364261071725 + ... + 364261072062.

It is an arithmetic number, because the mean of its divisors is an integer number (22219925385534).

Almost surely, 2^{123120242300003} is an apocalyptic number.

123120242300003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123120242300003 is a deficient number, since it is larger than the sum of its proper divisors (10199310013201).

123120242300003 is an equidigital number, since it uses as much as digits as its factorization.

123120242300003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728522143813 (or 728522143800 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123120242300003 its reverse (300003242021321), we get a palindrome (423123484321324).

The spelling of 123120242300003 in words is "one hundred twenty-three trillion, one hundred twenty billion, two hundred forty-two million, three hundred thousand, three".