123200758530 has 24 divisors (see below), whose sum is σ = 320321972412. Its totient is φ = 32853535584.

The previous prime is 123200758529. The next prime is 123200758543. The reversal of 123200758530 is 35857002321.

It is a happy number.

123200758530 is a `hidden beast` number, since 1 + 23 + 20 + 0 + 7 + 585 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 119192729049 + 4008029481 = 345243^2 + 63309^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 684448569 + ... + 684448748.

Almost surely, 2^123200758530 is an apocalyptic number.

123200758530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123200758530 is an abundant number, since it is smaller than the sum of its proper divisors (197121213882).

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

123200758530 is a wasteful number, since it uses less digits than its factorization.

123200758530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368897330 (or 1368897327 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 123200758530 in words is "one hundred twenty-three billion, two hundred million, seven hundred fifty-eight thousand, five hundred thirty".