11420304223 has 4 divisors (see below), whose sum is σ = 11442741480. Its totient is φ = 11397866968.

The previous prime is 11420304211. The next prime is 11420304229. The reversal of 11420304223 is 32240302411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32240302411 = 487 ⋅66201853.

It is a cyclic number.

It is not a de Polignac number, because 11420304223 - 2¹³ = 11420296031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11420304194 and 11420304203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420304229) 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, 11217865 + ... + 11218882.

It is an arithmetic number, because the mean of its divisors is an integer number (2860685370).

Almost surely, 2^11420304223 is an apocalyptic number.

11420304223 is a deficient number, since it is larger than the sum of its proper divisors (22437257).

11420304223 is an equidigital number, since it uses as much as digits as its factorization.

11420304223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22437256.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11420304223 its reverse (32240302411), we get a palindrome (43660606634).

The spelling of 11420304223 in words is "eleven billion, four hundred twenty million, three hundred four thousand, two hundred twenty-three".