2320811 has 2 divisors, whose sum is σ = 2320812. Its totient is φ = 2320810.

The previous prime is 2320807. The next prime is 2320837. The reversal of 2320811 is 1180232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2320811 - 2² = 2320807 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2320811.

It is not a weakly prime, because it can be changed into another prime (2320111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160405 + 1160406.

It is an arithmetic number, because the mean of its divisors is an integer number (1160406).

2^2320811 is an apocalyptic number.

2320811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320811 is an equidigital number, since it uses as much as digits as its factorization.

2320811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2320811 is about 1523.4208217036. The cubic root of 2320811 is about 132.3975427236.

The spelling of 2320811 in words is "two million, three hundred twenty thousand, eight hundred eleven".