123543065430 has 80 divisors (see below), whose sum is σ = 333915208704. Its totient is φ = 32774077440.

The previous prime is 123543065423. The next prime is 123543065441. The reversal of 123543065430 is 34560345321.

123543065430 is a `hidden beast` number, since 1 + 23 + 543 + 0 + 65 + 4 + 30 = 666.

It is a super-2 number, since 2×123543065430² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 238806 + ... + 551465.

Almost surely, 2^123543065430 is an apocalyptic number.

123543065430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123543065430 is an abundant number, since it is smaller than the sum of its proper divisors (210372143274).

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

123543065430 is a wasteful number, since it uses less digits than its factorization.

123543065430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790483 (or 790474 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 123543065430 in words is "one hundred twenty-three billion, five hundred forty-three million, sixty-five thousand, four hundred thirty".