123103013312 has 14 divisors (see below), whose sum is σ = 244282542168. Its totient is φ = 61551506624.

The previous prime is 123103013237. The next prime is 123103013323. The reversal of 123103013312 is 213310301321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961742228 + ... + 961742355.

It is an arithmetic number, because the mean of its divisors is an integer number (17448753012).

Almost surely, 2^123103013312 is an apocalyptic number.

It is an amenable number.

123103013312 is a deficient number, since it is larger than the sum of its proper divisors (121179528856).

123103013312 is an equidigital number, since it uses as much as digits as its factorization.

123103013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923484595 (or 1923484585 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123103013312 its reverse (213310301321), we get a palindrome (336413314633).

The spelling of 123103013312 in words is "one hundred twenty-three billion, one hundred three million, thirteen thousand, three hundred twelve".