11403404223 has 4 divisors (see below), whose sum is σ = 15204538968. Its totient is φ = 7602269480.

The previous prime is 11403404213. The next prime is 11403404269. The reversal of 11403404223 is 32240430411.

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

It is a cyclic number.

It is not a de Polignac number, because 11403404223 - 2⁵ = 11403404191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11403404193 and 11403404202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403404203) 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, 1900567368 + ... + 1900567373.

It is an arithmetic number, because the mean of its divisors is an integer number (3801134742).

Almost surely, 2^11403404223 is an apocalyptic number.

11403404223 is a deficient number, since it is larger than the sum of its proper divisors (3801134745).

11403404223 is an equidigital number, since it uses as much as digits as its factorization.

11403404223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801134744.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 11403404223 its reverse (32240430411), we get a palindrome (43643834634).

The spelling of 11403404223 in words is "eleven billion, four hundred three million, four hundred four thousand, two hundred twenty-three".