123575754320 has 40 divisors (see below), whose sum is σ = 290158337160. Its totient is φ = 48940889600.

The previous prime is 123575754317. The next prime is 123575754331. The reversal of 123575754320 is 23457575321.

It can be written as a sum of positive squares in 4 ways, for example, as 86121119296 + 37454635024 = 293464^2 + 193532^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×123575754320³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7638935 + ... + 7655094.

It is an arithmetic number, because the mean of its divisors is an integer number (7253958429).

Almost surely, 2^123575754320 is an apocalyptic number.

123575754320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123575754320 is an abundant number, since it is smaller than the sum of its proper divisors (166582582840).

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

123575754320 is a wasteful number, since it uses less digits than its factorization.

123575754320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15294143 (or 15294137 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 44.

The spelling of 123575754320 in words is "one hundred twenty-three billion, five hundred seventy-five million, seven hundred fifty-four thousand, three hundred twenty".