11506023 has 16 divisors (see below), whose sum is σ = 17410560. Its totient is φ = 7506648.

The previous prime is 11505997. The next prime is 11506087. The reversal of 11506023 is 32060511.

11506023 is a `hidden beast` number, since 11 + 50 + 602 + 3 = 666.

It is not a de Polignac number, because 11506023 - 2⁹ = 11505511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11505987 and 11506005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11506423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3265 + ... + 5802.

It is an arithmetic number, because the mean of its divisors is an integer number (1088160).

Almost surely, 2^11506023 is an apocalyptic number.

11506023 is a deficient number, since it is larger than the sum of its proper divisors (5904537).

11506023 is an equidigital number, since it uses as much as digits as its factorization.

11506023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9123 (or 9117 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 11506023 is about 3392.0529182193. The cubic root of 11506023 is about 225.7572706569.

Adding to 11506023 its reverse (32060511), we get a palindrome (43566534).

The spelling of 11506023 in words is "eleven million, five hundred six thousand, twenty-three".