123532368528 has 20 divisors (see below), whose sum is σ = 319125285488. Its totient is φ = 41177456160.

The previous prime is 123532368523. The next prime is 123532368539. The reversal of 123532368528 is 825863235321.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 2573591011 = 123532368528 / (1 + 2 + 3 + 5 + 3 + 2 + 3 + 6 + 8 + 5 + 2 + 8).

It is not an unprimeable number, because it can be changed into a prime (123532368523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286795458 + ... + 1286795553.

Almost surely, 2^123532368528 is an apocalyptic number.

It is an amenable number.

123532368528 is an abundant number, since it is smaller than the sum of its proper divisors (195592916960).

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

123532368528 is a wasteful number, since it uses less digits than its factorization.

123532368528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573591022 (or 2573591016 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The spelling of 123532368528 in words is "one hundred twenty-three billion, five hundred thirty-two million, three hundred sixty-eight thousand, five hundred twenty-eight".