11499823 has 2 divisors, whose sum is σ = 11499824. Its totient is φ = 11499822.

The previous prime is 11499821. The next prime is 11499833. The reversal of 11499823 is 32899411.

11499823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11499823 - 2¹ = 11499821 is a prime.

Together with 11499821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11499821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5749911 + 5749912.

It is an arithmetic number, because the mean of its divisors is an integer number (5749912).

Almost surely, 2^11499823 is an apocalyptic number.

11499823 is a deficient number, since it is larger than the sum of its proper divisors (1).

11499823 is an equidigital number, since it uses as much as digits as its factorization.

11499823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 11499823 is about 3391.1388942360. The cubic root of 11499823 is about 225.7167137369.

The spelling of 11499823 in words is "eleven million, four hundred ninety-nine thousand, eight hundred twenty-three".