11545023 has 32 divisors (see below), whose sum is σ = 18925056. Its totient is φ = 6110208.

The previous prime is 11545019. The next prime is 11545031. The reversal of 11545023 is 32054511.

It is not a de Polignac number, because 11545023 - 2² = 11545019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545003) 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 in 31 ways as a sum of consecutive naturals, for example, 25840 + ... + 26282.

It is an arithmetic number, because the mean of its divisors is an integer number (591408).

Almost surely, 2^11545023 is an apocalyptic number.

11545023 is a deficient number, since it is larger than the sum of its proper divisors (7380033).

11545023 is a wasteful number, since it uses less digits than its factorization.

11545023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 11545023 is about 3397.7967861542. The cubic root of 11545023 is about 226.0120532899.

Adding to 11545023 its reverse (32054511), we get a palindrome (43599534).

The spelling of 11545023 in words is "eleven million, five hundred forty-five thousand, twenty-three".