123536930800 has 60 divisors (see below), whose sum is σ = 297248486040. Its totient is φ = 49339682560.

The previous prime is 123536930791. The next prime is 123536930801. The reversal of 123536930800 is 8039635321.

It is a super-2 number, since 2×123536930800² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123536930801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29274 + ... + 497926.

It is an arithmetic number, because the mean of its divisors is an integer number (4954141434).

Almost surely, 2^123536930800 is an apocalyptic number.

123536930800 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 123536930800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148624243020).

123536930800 is an abundant number, since it is smaller than the sum of its proper divisors (173711555240).

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

123536930800 is a wasteful number, since it uses less digits than its factorization.

123536930800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469330 (or 469319 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 123536930800 in words is "one hundred twenty-three billion, five hundred thirty-six million, nine hundred thirty thousand, eight hundred".