123410545243552 has 96 divisors (see below), whose sum is σ = 294046194048768. Its totient is φ = 49772487929856.

The previous prime is 123410545243507. The next prime is 123410545243553. The reversal of 123410545243552 is 255342545014321.

It is not an unprimeable number, because it can be changed into a prime (123410545243553) 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, 26837298 + ... + 31097614.

It is an arithmetic number, because the mean of its divisors is an integer number (3062981188008).

Almost surely, 2^{123410545243552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123410545243552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147023097024384).

123410545243552 is an abundant number, since it is smaller than the sum of its proper divisors (170635648805216).

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

123410545243552 is a wasteful number, since it uses less digits than its factorization.

123410545243552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267958 (or 4267950 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 123410545243552 in words is "one hundred twenty-three trillion, four hundred ten billion, five hundred forty-five million, two hundred forty-three thousand, five hundred fifty-two".