123532533005556 has 24 divisors (see below), whose sum is σ = 288690854755744. Its totient is φ = 41113471324320.

The previous prime is 123532533005521. The next prime is 123532533005573. The reversal of 123532533005556 is 655500335235321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8004951655 + ... + 8004967086.

Almost surely, 2^{123532533005556} is an apocalyptic number.

It is an amenable number.

123532533005556 is an abundant number, since it is smaller than the sum of its proper divisors (165158321750188).

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

123532533005556 is a wasteful number, since it uses less digits than its factorization.

123532533005556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16009919391 (or 16009919389 counting only the distinct ones).

The product of its (nonzero) digits is 6075000, while the sum is 48.

The spelling of 123532533005556 in words is "one hundred twenty-three trillion, five hundred thirty-two billion, five hundred thirty-three million, five thousand, five hundred fifty-six".