11420323 has 4 divisors (see below), whose sum is σ = 11438728. Its totient is φ = 11401920.

The previous prime is 11420303. The next prime is 11420329. The reversal of 11420323 is 32302411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32302411 = 409 ⋅78979.

It is a cyclic number.

It is not a de Polignac number, because 11420323 - 2⁵ = 11420291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11420297 and 11420306.

It is not an unprimeable number, because it can be changed into a prime (11420329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8238 + ... + 9523.

It is an arithmetic number, because the mean of its divisors is an integer number (2859682).

Almost surely, 2^11420323 is an apocalyptic number.

11420323 is a deficient number, since it is larger than the sum of its proper divisors (18405).

11420323 is an equidigital number, since it uses as much as digits as its factorization.

11420323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18404.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 11420323 is about 3379.3968396742. The cubic root of 11420323 is about 225.1953726911.

Adding to 11420323 its reverse (32302411), we get a palindrome (43722734).

The spelling of 11420323 in words is "eleven million, four hundred twenty thousand, three hundred twenty-three".