232121030342140 has 48 divisors (see below), whose sum is σ = 516129198262272. Its totient is φ = 87386527466496.

The previous prime is 232121030342119. The next prime is 232121030342141. The reversal of 232121030342140 is 41243030121232.

It is a junction number, because it is equal to n+sod(n) for n = 232121030342099 and 232121030342108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232121030342141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245720197 + ... + 246663043.

It is an arithmetic number, because the mean of its divisors is an integer number (10752691630464).

Almost surely, 2^{232121030342140} is an apocalyptic number.

232121030342140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232121030342140 is an abundant number, since it is smaller than the sum of its proper divisors (284008167920132).

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

232121030342140 is a wasteful number, since it uses less digits than its factorization.

232121030342140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666966 (or 1666964 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 232121030342140 its reverse (41243030121232), we get a palindrome (273364060463372).

The spelling of 232121030342140 in words is "two hundred thirty-two trillion, one hundred twenty-one billion, thirty million, three hundred forty-two thousand, one hundred forty".