123355704060 has 192 divisors, whose sum is σ = 396613324800. Its totient is φ = 31796755200.

The previous prime is 123355704053. The next prime is 123355704071. The reversal of 123355704060 is 60407553321.

123355704060 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 557 + 0 + 40 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16250746 + ... + 16258334.

It is an arithmetic number, because the mean of its divisors is an integer number (2065694400).

Almost surely, 2^123355704060 is an apocalyptic number.

123355704060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123355704060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198306662400).

123355704060 is an abundant number, since it is smaller than the sum of its proper divisors (273257620740).

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

123355704060 is a wasteful number, since it uses less digits than its factorization.

123355704060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8609 (or 8601 counting only the distinct ones).

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

The spelling of 123355704060 in words is "one hundred twenty-three billion, three hundred fifty-five million, seven hundred four thousand, sixty".