2320690187 has 2 divisors, whose sum is σ = 2320690188. Its totient is φ = 2320690186.

The previous prime is 2320690123. The next prime is 2320690193. The reversal of 2320690187 is 7810960232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2320690187 - 2⁶ = 2320690123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2320690187.

It is not a weakly prime, because it can be changed into another prime (2320690117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160345093 + 1160345094.

It is an arithmetic number, because the mean of its divisors is an integer number (1160345094).

Almost surely, 2^2320690187 is an apocalyptic number.

2320690187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320690187 is an equidigital number, since it uses as much as digits as its factorization.

2320690187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2320690187 is about 48173.5423962158. The cubic root of 2320690187 is about 1323.9524530514.

The spelling of 2320690187 in words is "two billion, three hundred twenty million, six hundred ninety thousand, one hundred eighty-seven".