11722303 has 4 divisors (see below), whose sum is σ = 12039160. Its totient is φ = 11405448.

The previous prime is 11722301. The next prime is 11722331. The reversal of 11722303 is 30322711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30322711 = 139 ⋅218149.

It is a cyclic number.

It is not a de Polignac number, because 11722303 - 2¹ = 11722301 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 (11722301) 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, 158373 + ... + 158446.

It is an arithmetic number, because the mean of its divisors is an integer number (3009790).

Almost surely, 2^11722303 is an apocalyptic number.

11722303 is a deficient number, since it is larger than the sum of its proper divisors (316857).

11722303 is an equidigital number, since it uses as much as digits as its factorization.

11722303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316856.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 11722303 is about 3423.7848939441. The cubic root of 11722303 is about 227.1630272670.

The spelling of 11722303 in words is "eleven million, seven hundred twenty-two thousand, three hundred three".