11520923 has 2 divisors, whose sum is σ = 11520924. Its totient is φ = 11520922.

The previous prime is 11520913. The next prime is 11520941. The reversal of 11520923 is 32902511.

It is a weak prime.

It is an emirp because it is prime and its reverse (32902511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11520923 - 2⁸ = 11520667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11520913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760461 + 5760462.

It is an arithmetic number, because the mean of its divisors is an integer number (5760462).

Almost surely, 2^11520923 is an apocalyptic number.

11520923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520923 is an equidigital number, since it uses as much as digits as its factorization.

11520923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 11520923 is about 3394.2485177135. The cubic root of 11520923 is about 225.8546785499.

The spelling of 11520923 in words is "eleven million, five hundred twenty thousand, nine hundred twenty-three".