2323819 has 2 divisors, whose sum is σ = 2323820. Its totient is φ = 2323818.

The previous prime is 2323817. The next prime is 2323823. The reversal of 2323819 is 9183232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2323819 - 2¹ = 2323817 is a prime.

It is a super-2 number, since 2×2323819² = 10800269489522, which contains 22 as substring.

Together with 2323817, it forms a pair of twin primes.

2323819 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2323813) 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, 1161909 + 1161910.

It is an arithmetic number, because the mean of its divisors is an integer number (1161910).

2^2323819 is an apocalyptic number.

2323819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2323819 is an equidigital number, since it uses as much as digits as its factorization.

2323819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 2323819 is about 1524.4077538507. The cubic root of 2323819 is about 132.4547181211.

The spelling of 2323819 in words is "two million, three hundred twenty-three thousand, eight hundred nineteen".