2309263 has 16 divisors (see below), whose sum is σ = 2729376. Its totient is φ = 1930240.

The previous prime is 2309261. The next prime is 2309267. The reversal of 2309263 is 3629032.

It is a cyclic number.

It is not a de Polignac number, because 2309263 - 2¹ = 2309261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9795 + ... + 10027.

It is an arithmetic number, because the mean of its divisors is an integer number (170586).

2^2309263 is an apocalyptic number.

2309263 is a deficient number, since it is larger than the sum of its proper divisors (420113).

2309263 is a wasteful number, since it uses less digits than its factorization.

2309263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 2309263 is about 1519.6259408157. The cubic root of 2309263 is about 132.1775808570.

The spelling of 2309263 in words is "two million, three hundred nine thousand, two hundred sixty-three".