10543123530 has 48 divisors (see below), whose sum is σ = 27453872160. Its totient is φ = 2807217504.

The previous prime is 10543123523. The next prime is 10543123543. The reversal of 10543123530 is 3532134501.

10543123530 is a `hidden beast` number, since 1 + 0 + 5 + 4 + 3 + 123 + 530 = 666.

It is a super-2 number, since 2×10543123530² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10543123494 and 10543123503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29572 + ... + 148191.

It is an arithmetic number, because the mean of its divisors is an integer number (571955670).

Almost surely, 2^10543123530 is an apocalyptic number.

10543123530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10543123530 is an abundant number, since it is smaller than the sum of its proper divisors (16910748630).

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

10543123530 is a wasteful number, since it uses less digits than its factorization.

10543123530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178435 (or 178432 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 10543123530 in words is "ten billion, five hundred forty-three million, one hundred twenty-three thousand, five hundred thirty".