11288923 has 2 divisors, whose sum is σ = 11288924. Its totient is φ = 11288922.

The previous prime is 11288887. The next prime is 11288999. The reversal of 11288923 is 32988211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11288923 - 2²¹ = 9191771 is a prime.

It is not a weakly prime, because it can be changed into another prime (11288023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5644461 + 5644462.

It is an arithmetic number, because the mean of its divisors is an integer number (5644462).

Almost surely, 2^11288923 is an apocalyptic number.

11288923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11288923 is an equidigital number, since it uses as much as digits as its factorization.

11288923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 11288923 is about 3359.8992544420. The cubic root of 11288923 is about 224.3283542722.

The spelling of 11288923 in words is "eleven million, two hundred eighty-eight thousand, nine hundred twenty-three".