11404423 has 2 divisors, whose sum is σ = 11404424. Its totient is φ = 11404422.

The previous prime is 11404411. The next prime is 11404447. The reversal of 11404423 is 32440411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11404423 - 2⁵ = 11404391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11404423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11404483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702211 + 5702212.

It is an arithmetic number, because the mean of its divisors is an integer number (5702212).

Almost surely, 2^11404423 is an apocalyptic number.

11404423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404423 is an equidigital number, since it uses as much as digits as its factorization.

11404423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 11404423 is about 3377.0435294796. The cubic root of 11404423 is about 225.0908143694.

Adding to 11404423 its reverse (32440411), we get a palindrome (43844834).

The spelling of 11404423 in words is "eleven million, four hundred four thousand, four hundred twenty-three".