230021533532 has 24 divisors (see below), whose sum is σ = 467584760160. Its totient is φ = 96964580160.

The previous prime is 230021533529. The next prime is 230021533561. The reversal of 230021533532 is 235335120032.

It is a junction number, because it is equal to n+sod(n) for n = 230021533495 and 230021533504.

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, 67334807 + ... + 67338222.

It is an arithmetic number, because the mean of its divisors is an integer number (19482698340).

Almost surely, 2^230021533532 is an apocalyptic number.

It is an amenable number.

230021533532 is an abundant number, since it is smaller than the sum of its proper divisors (237563226628).

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

230021533532 is a wasteful number, since it uses less digits than its factorization.

230021533532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134673101 (or 134673099 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 230021533532 its reverse (235335120032), we get a palindrome (465356653564).

The spelling of 230021533532 in words is "two hundred thirty billion, twenty-one million, five hundred thirty-three thousand, five hundred thirty-two".