232121502340 has 192 divisors, whose sum is σ = 635700441600. Its totient is φ = 69090729984.

The previous prime is 232121502293. The next prime is 232121502341. The reversal of 232121502340 is 43205121232.

It is not an unprimeable number, because it can be changed into a prime (232121502341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79792806 + ... + 79795714.

It is an arithmetic number, because the mean of its divisors is an integer number (3310939800).

Almost surely, 2^232121502340 is an apocalyptic number.

232121502340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232121502340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317850220800).

232121502340 is an abundant number, since it is smaller than the sum of its proper divisors (403578939260).

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

232121502340 is a wasteful number, since it uses less digits than its factorization.

232121502340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534 (or 5532 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 232121502340 its reverse (43205121232), we get a palindrome (275326623572).

The spelling of 232121502340 in words is "two hundred thirty-two billion, one hundred twenty-one million, five hundred two thousand, three hundred forty".