123350640570 has 96 divisors (see below), whose sum is σ = 322620292800. Its totient is φ = 32698017792.

The previous prime is 123350640547. The next prime is 123350640587. The reversal of 123350640570 is 75046053321.

123350640570 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 5 + 0 + 640 + 5 + 7 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37847601 + ... + 37850859.

It is an arithmetic number, because the mean of its divisors is an integer number (3360628050).

Almost surely, 2^123350640570 is an apocalyptic number.

123350640570 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 123350640570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161310146400).

123350640570 is an abundant number, since it is smaller than the sum of its proper divisors (199269652230).

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

123350640570 is a wasteful number, since it uses less digits than its factorization.

123350640570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

Adding to 123350640570 its reverse (75046053321), we get a palindrome (198396693891).

The spelling of 123350640570 in words is "one hundred twenty-three billion, three hundred fifty million, six hundred forty thousand, five hundred seventy".