232540020230661 has 288 divisors, whose sum is σ = 402415251773184. Its totient is φ = 128262790656000.

The previous prime is 232540020230659. The next prime is 232540020230699. The reversal of 232540020230661 is 166032020045232.

232540020230661 is a `hidden beast` number, since 2 + 3 + 2 + 540 + 0 + 20 + 2 + 30 + 6 + 61 = 666.

232540020230661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 232540020230661 - 2¹ = 232540020230659 is a prime.

It is a super-2 number, since 2×232540020230661² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232540020230621) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 229555794391 + ... + 229555795403.

It is an arithmetic number, because the mean of its divisors is an integer number (1397275179768).

Almost surely, 2^{232540020230661} is an apocalyptic number.

It is an amenable number.

232540020230661 is a deficient number, since it is larger than the sum of its proper divisors (169875231542523).

232540020230661 is a wasteful number, since it uses less digits than its factorization.

232540020230661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 232540020230661 its reverse (166032020045232), we get a palindrome (398572040275893).

The spelling of 232540020230661 in words is "two hundred thirty-two trillion, five hundred forty billion, twenty million, two hundred thirty thousand, six hundred sixty-one".