2320001987 has 2 divisors, whose sum is σ = 2320001988. Its totient is φ = 2320001986.

The previous prime is 2320001947. The next prime is 2320002029. The reversal of 2320001987 is 7891000232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2320001987 - 2⁶ = 2320001923 is a prime.

It is not a weakly prime, because it can be changed into another prime (2320001947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160000993 + 1160000994.

It is an arithmetic number, because the mean of its divisors is an integer number (1160000994).

Almost surely, 2^2320001987 is an apocalyptic number.

2320001987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320001987 is an equidigital number, since it uses as much as digits as its factorization.

2320001987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2320001987 is about 48166.3989415858. The cubic root of 2320001987 is about 1323.8215675409.

The spelling of 2320001987 in words is "two billion, three hundred twenty million, one thousand, nine hundred eighty-seven".