123875819540 has 48 divisors (see below), whose sum is σ = 288440538624. Its totient is φ = 44307292800.

The previous prime is 123875819537. The next prime is 123875819591. The reversal of 123875819540 is 45918578321.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4601924 + ... + 4628763.

It is an arithmetic number, because the mean of its divisors is an integer number (6009177888).

Almost surely, 2^123875819540 is an apocalyptic number.

123875819540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123875819540 is an abundant number, since it is smaller than the sum of its proper divisors (164564719084).

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

123875819540 is a wasteful number, since it uses less digits than its factorization.

123875819540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230768 (or 9230766 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 123875819540 in words is "one hundred twenty-three billion, eight hundred seventy-five million, eight hundred nineteen thousand, five hundred forty".