11603923 has 2 divisors, whose sum is σ = 11603924. Its totient is φ = 11603922.

The previous prime is 11603899. The next prime is 11603929. The reversal of 11603923 is 32930611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11603923 - 2⁹ = 11603411 is a prime.

It is not a weakly prime, because it can be changed into another prime (11603929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5801961 + 5801962.

It is an arithmetic number, because the mean of its divisors is an integer number (5801962).

Almost surely, 2^11603923 is an apocalyptic number.

11603923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11603923 is an equidigital number, since it uses as much as digits as its factorization.

11603923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 11603923 is about 3406.4531407316. The cubic root of 11603923 is about 226.3957550075.

The spelling of 11603923 in words is "eleven million, six hundred three thousand, nine hundred twenty-three".