123625603530 has 192 divisors, whose sum is σ = 385656380928. Its totient is φ = 27075732480.

The previous prime is 123625603501. The next prime is 123625603531. The reversal of 123625603530 is 35306526321.

123625603530 is a `hidden beast` number, since 1 + 2 + 3 + 62 + 5 + 60 + 3 + 530 = 666.

It is not an unprimeable number, because it can be changed into a prime (123625603531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 502702 + ... + 707078.

It is an arithmetic number, because the mean of its divisors is an integer number (2008626984).

Almost surely, 2^123625603530 is an apocalyptic number.

123625603530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123625603530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192828190464).

123625603530 is an abundant number, since it is smaller than the sum of its proper divisors (262030777398).

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

123625603530 is a wasteful number, since it uses less digits than its factorization.

123625603530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204461 (or 204458 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The spelling of 123625603530 in words is "one hundred twenty-three billion, six hundred twenty-five million, six hundred three thousand, five hundred thirty".