2123332987 has 2 divisors, whose sum is σ = 2123332988. Its totient is φ = 2123332986.

The previous prime is 2123332943. The next prime is 2123333059. The reversal of 2123332987 is 7892333212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123332987 - 2¹⁵ = 2123300219 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123332087) 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, 1061666493 + 1061666494.

It is an arithmetic number, because the mean of its divisors is an integer number (1061666494).

Almost surely, 2^2123332987 is an apocalyptic number.

2123332987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123332987 is an equidigital number, since it uses as much as digits as its factorization.

2123332987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 2123332987 is about 46079.6374443202. The cubic root of 2123332987 is about 1285.3045222956.

The spelling of 2123332987 in words is "two billion, one hundred twenty-three million, three hundred thirty-two thousand, nine hundred eighty-seven".