11557323 has 24 divisors (see below), whose sum is σ = 17472000. Its totient is φ = 7634088.

The previous prime is 11557319. The next prime is 11557363. The reversal of 11557323 is 32375511.

11557323 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11557323 - 2² = 11557319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11557303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48238 + ... + 48476.

It is an arithmetic number, because the mean of its divisors is an integer number (728000).

It is a vampire number, since it can be written as 2151 ⋅ 5373 (with its own digits).

Almost surely, 2^11557323 is an apocalyptic number.

11557323 is a deficient number, since it is larger than the sum of its proper divisors (5914677).

11557323 is an equidigital number, since it uses as much as digits as its factorization.

11557323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 441 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 11557323 is about 3399.6063007354. The cubic root of 11557323 is about 226.0922887758.

The spelling of 11557323 in words is "eleven million, five hundred fifty-seven thousand, three hundred twenty-three".