123551120341304 has 128 divisors (see below), whose sum is σ = 240668696257920. Its totient is φ = 59422054809600.

The previous prime is 123551120341303. The next prime is 123551120341343. The reversal of 123551120341304 is 403143021155321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123551120341303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10213362584 + ... + 10213374680.

It is an arithmetic number, because the mean of its divisors is an integer number (1880224189515).

Almost surely, 2^{123551120341304} is an apocalyptic number.

It is an amenable number.

123551120341304 is a deficient number, since it is larger than the sum of its proper divisors (117117575916616).

123551120341304 is a wasteful number, since it uses less digits than its factorization.

123551120341304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13809 (or 13805 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 123551120341304 its reverse (403143021155321), we get a palindrome (526694141496625).

The spelling of 123551120341304 in words is "one hundred twenty-three trillion, five hundred fifty-one billion, one hundred twenty million, three hundred forty-one thousand, three hundred four".