11523907 has 4 divisors (see below), whose sum is σ = 11531920. Its totient is φ = 11515896.

The previous prime is 11523887. The next prime is 11523913. The reversal of 11523907 is 70932511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11523907 - 2¹¹ = 11521859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11523917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188 + ... + 4945.

It is an arithmetic number, because the mean of its divisors is an integer number (2882980).

Almost surely, 2^11523907 is an apocalyptic number.

11523907 is a deficient number, since it is larger than the sum of its proper divisors (8013).

11523907 is an equidigital number, since it uses as much as digits as its factorization.

11523907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8012.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 11523907 is about 3394.6880563610. The cubic root of 11523907 is about 225.8741761828.

The spelling of 11523907 in words is "eleven million, five hundred twenty-three thousand, nine hundred seven".