2299523 has 2 divisors, whose sum is σ = 2299524. Its totient is φ = 2299522.

The previous prime is 2299519. The next prime is 2299529. The reversal of 2299523 is 3259922.

Added to its reverse (3259922) it gives a triangular number (5559445 = T₃₃₃₄).

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2299523 - 2² = 2299519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2299523.

It is not a weakly prime, because it can be changed into another prime (2299529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149761 + 1149762.

It is an arithmetic number, because the mean of its divisors is an integer number (1149762).

2^2299523 is an apocalyptic number.

2299523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2299523 is an equidigital number, since it uses as much as digits as its factorization.

2299523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 2299523 is about 1516.4178184129. The cubic root of 2299523 is about 131.9914862890.

Adding to 2299523 its reverse (3259922), we get a triangular number (5559445 = T₃₃₃₄).

The spelling of 2299523 in words is "two million, two hundred ninety-nine thousand, five hundred twenty-three".