2306523 has 4 divisors (see below), whose sum is σ = 3075368. Its totient is φ = 1537680.

The previous prime is 2306519. The next prime is 2306527. The reversal of 2306523 is 3256032.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2306519) and next prime (2306527).

It is not a de Polignac number, because 2306523 - 2² = 2306519 is a prime.

It is a D-number.

It is a Duffinian number.

2306523 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2306523.

It is not an unprimeable number, because it can be changed into a prime (2306527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384418 + ... + 384423.

It is an arithmetic number, because the mean of its divisors is an integer number (768842).

2^2306523 is an apocalyptic number.

2306523 is a deficient number, since it is larger than the sum of its proper divisors (768845).

2306523 is an equidigital number, since it uses as much as digits as its factorization.

2306523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768844.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2306523 is about 1518.7241355822. The cubic root of 2306523 is about 132.1252827997.

The spelling of 2306523 in words is "two million, three hundred six thousand, five hundred twenty-three".