232121152 has 56 divisors (see below), whose sum is σ = 487631232. Its totient is φ = 109401600.

The previous prime is 232121147. The next prime is 232121159. The reversal of 232121152 is 251121232.

232121152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232121159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103402 + ... + 105622.

Almost surely, 2^232121152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232121152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243815616).

232121152 is an abundant number, since it is smaller than the sum of its proper divisors (255510080).

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

232121152 is a wasteful number, since it uses less digits than its factorization.

232121152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327 (or 2317 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 232121152 is about 15235.5227018964. The cubic root of 232121152 is about 614.5703055266.

Adding to 232121152 its reverse (251121232), we get a palindrome (483242384).

The spelling of 232121152 in words is "two hundred thirty-two million, one hundred twenty-one thousand, one hundred fifty-two".