123120311320103 has 8 divisors (see below), whose sum is σ = 123196212153840. Its totient is φ = 123044412939840.

The previous prime is 123120311320093. The next prime is 123120311320129. The reversal of 123120311320103 is 301023113021321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123120311320103 - 2¹⁴ = 123120311303719 is a prime.

It is a super-2 number, since 2×123120311320103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123120311320003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105422123 + ... + 106583603.

It is an arithmetic number, because the mean of its divisors is an integer number (15399526519230).

Almost surely, 2^{123120311320103} is an apocalyptic number.

123120311320103 is a deficient number, since it is larger than the sum of its proper divisors (75900833737).

123120311320103 is a wasteful number, since it uses less digits than its factorization.

123120311320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226737.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 123120311320103 its reverse (301023113021321), we get a palindrome (424143424341424).

The spelling of 123120311320103 in words is "one hundred twenty-three trillion, one hundred twenty billion, three hundred eleven million, three hundred twenty thousand, one hundred three".