123543321700 has 36 divisors (see below), whose sum is σ = 268104580660. Its totient is φ = 49414458240.

The previous prime is 123543321697. The next prime is 123543321701. The reversal of 123543321700 is 7123345321.

123543321700 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 684659556 + 122858662144 = 26166^2 + 350512^2 .

It is not an unprimeable number, because it can be changed into a prime (123543321701) 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, 2845354 + ... + 2888446.

Almost surely, 2^123543321700 is an apocalyptic number.

123543321700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123543321700 is an abundant number, since it is smaller than the sum of its proper divisors (144561258960).

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

123543321700 is a wasteful number, since it uses less digits than its factorization.

123543321700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71776 (or 71769 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 123543321700 in words is "one hundred twenty-three billion, five hundred forty-three million, three hundred twenty-one thousand, seven hundred".