11381423 has 2 divisors, whose sum is σ = 11381424. Its totient is φ = 11381422.

The previous prime is 11381413. The next prime is 11381431. The reversal of 11381423 is 32418311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11381423 - 2¹⁰ = 11380399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11381413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5690711 + 5690712.

It is an arithmetic number, because the mean of its divisors is an integer number (5690712).

Almost surely, 2^11381423 is an apocalyptic number.

11381423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11381423 is an equidigital number, since it uses as much as digits as its factorization.

11381423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

The square root of 11381423 is about 3373.6364652997. The cubic root of 11381423 is about 224.9393943764.

Adding to 11381423 its reverse (32418311), we get a palindrome (43799734).

The spelling of 11381423 in words is "eleven million, three hundred eighty-one thousand, four hundred twenty-three".