232331112121987 has 2 divisors, whose sum is σ = 232331112121988. Its totient is φ = 232331112121986.

The previous prime is 232331112121951. The next prime is 232331112121993. The reversal of 232331112121987 is 789121211133232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232331112121987 - 2¹⁹ = 232331111597699 is a prime.

It is not a weakly prime, because it can be changed into another prime (232331112124987) by changing a digit.

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 as a sum of consecutive naturals, namely, 116165556060993 + 116165556060994.

It is an arithmetic number, because the mean of its divisors is an integer number (116165556060994).

Almost surely, 2^{232331112121987} is an apocalyptic number.

232331112121987 is a deficient number, since it is larger than the sum of its proper divisors (1).

232331112121987 is an equidigital number, since it uses as much as digits as its factorization.

232331112121987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 46.

The spelling of 232331112121987 in words is "two hundred thirty-two trillion, three hundred thirty-one billion, one hundred twelve million, one hundred twenty-one thousand, nine hundred eighty-seven".