232742120643 has 48 divisors (see below), whose sum is σ = 387613792800. Its totient is φ = 133577579520.

The previous prime is 232742120603. The next prime is 232742120657. The reversal of 232742120643 is 346021247232.

232742120643 is a `hidden beast` number, since 2 + 3 + 2 + 7 + 4 + 2 + 1 + 2 + 0 + 643 = 666.

It is not a de Polignac number, because 232742120643 - 2¹² = 232742116547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232742120598 and 232742120607.

It is not an unprimeable number, because it can be changed into a prime (232742120603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1296088 + ... + 1464693.

It is an arithmetic number, because the mean of its divisors is an integer number (8075287350).

Almost surely, 2^232742120643 is an apocalyptic number.

232742120643 is a deficient number, since it is larger than the sum of its proper divisors (154871672157).

232742120643 is a wasteful number, since it uses less digits than its factorization.

232742120643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760852 (or 2760849 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

Adding to 232742120643 its reverse (346021247232), we get a palindrome (578763367875).

The spelling of 232742120643 in words is "two hundred thirty-two billion, seven hundred forty-two million, one hundred twenty thousand, six hundred forty-three".