123410553505120 has 96 divisors (see below), whose sum is σ = 333210586476096. Its totient is φ = 42311924121600.

The previous prime is 123410553505103. The next prime is 123410553505121. The reversal of 123410553505120 is 21505355014321.

It is a self number, because there is not a number n which added to its sum of digits gives 123410553505120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123410553505121) 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, 278256340 + ... + 278699500.

It is an arithmetic number, because the mean of its divisors is an integer number (3470943609126).

Almost surely, 2^{123410553505120} is an apocalyptic number.

123410553505120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123410553505120 is an abundant number, since it is smaller than the sum of its proper divisors (209800032970976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123410553505120 is a wasteful number, since it uses less digits than its factorization.

123410553505120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691824 (or 691816 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 123410553505120 in words is "one hundred twenty-three trillion, four hundred ten billion, five hundred fifty-three million, five hundred five thousand, one hundred twenty".