230120032521 has 16 divisors (see below), whose sum is σ = 322992362240. Its totient is φ = 145331372880.

The previous prime is 230120032511. The next prime is 230120032537. The reversal of 230120032521 is 125230021032.

It is a de Polignac number, because none of the positive numbers 2^k-230120032521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230120032501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118286 + ... + 1307976.

It is an arithmetic number, because the mean of its divisors is an integer number (20187022640).

Almost surely, 2^230120032521 is an apocalyptic number.

It is an amenable number.

230120032521 is a deficient number, since it is larger than the sum of its proper divisors (92872329719).

230120032521 is a wasteful number, since it uses less digits than its factorization.

230120032521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210996.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 230120032521 its reverse (125230021032), we get a palindrome (355350053553).

The spelling of 230120032521 in words is "two hundred thirty billion, one hundred twenty million, thirty-two thousand, five hundred twenty-one".