123545355430 has 64 divisors (see below), whose sum is σ = 265371863040. Its totient is φ = 40515479424.

The previous prime is 123545355359. The next prime is 123545355431. The reversal of 123545355430 is 34553545321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123545355431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67182 + ... + 501601.

It is an arithmetic number, because the mean of its divisors is an integer number (4146435360).

Almost surely, 2^123545355430 is an apocalyptic number.

123545355430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123545355430 is an abundant number, since it is smaller than the sum of its proper divisors (141826507610).

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

123545355430 is a wasteful number, since it uses less digits than its factorization.

123545355430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568933.

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 123545355430 in words is "one hundred twenty-three billion, five hundred forty-five million, three hundred fifty-five thousand, four hundred thirty".