232521153121340 has 48 divisors (see below), whose sum is σ = 489967712542560. Its totient is φ = 92689966448640.

The previous prime is 232521153121319. The next prime is 232521153121373. The reversal of 232521153121340 is 43121351125232.

It is a self number, because there is not a number n which added to its sum of digits gives 232521153121340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9269756 + ... + 23472764.

It is an arithmetic number, because the mean of its divisors is an integer number (10207660677970).

Almost surely, 2^{232521153121340} is an apocalyptic number.

232521153121340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232521153121340 is an abundant number, since it is smaller than the sum of its proper divisors (257446559421220).

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

232521153121340 is a wasteful number, since it uses less digits than its factorization.

232521153121340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14205822 (or 14205820 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 232521153121340 in words is "two hundred thirty-two trillion, five hundred twenty-one billion, one hundred fifty-three million, one hundred twenty-one thousand, three hundred forty".