141223987 has 2 divisors, whose sum is σ = 141223988. Its totient is φ = 141223986.

The previous prime is 141223969. The next prime is 141224023. The reversal of 141223987 is 789322141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141223987 - 2¹¹ = 141221939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141223937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70611993 + 70611994.

It is an arithmetic number, because the mean of its divisors is an integer number (70611994).

Almost surely, 2^141223987 is an apocalyptic number.

141223987 is a deficient number, since it is larger than the sum of its proper divisors (1).

141223987 is an equidigital number, since it uses as much as digits as its factorization.

141223987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 141223987 is about 11883.7698984792. The cubic root of 141223987 is about 520.7582466234.

The spelling of 141223987 in words is "one hundred forty-one million, two hundred twenty-three thousand, nine hundred eighty-seven".