11240423 has 2 divisors, whose sum is σ = 11240424. Its totient is φ = 11240422.

The previous prime is 11240401. The next prime is 11240483. The reversal of 11240423 is 32404211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11240423 - 2⁸ = 11240167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11240483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620211 + 5620212.

It is an arithmetic number, because the mean of its divisors is an integer number (5620212).

Almost surely, 2^11240423 is an apocalyptic number.

11240423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11240423 is an equidigital number, since it uses as much as digits as its factorization.

11240423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 11240423 is about 3352.6740074156. The cubic root of 11240423 is about 224.0066364424.

Adding to 11240423 its reverse (32404211), we get a palindrome (43644634).

The spelling of 11240423 in words is "eleven million, two hundred forty thousand, four hundred twenty-three".