11131023 has 8 divisors (see below), whose sum is σ = 15186688. Its totient is φ = 7248024.

The previous prime is 11131019. The next prime is 11131027. The reversal of 11131023 is 32013111.

It is an interprime number because it is at equal distance from previous prime (11131019) and next prime (11131027).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11131023 - 2² = 11131019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131027) 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 7 ways as a sum of consecutive naturals, for example, 43015 + ... + 43272.

It is an arithmetic number, because the mean of its divisors is an integer number (1898336).

Almost surely, 2^11131023 is an apocalyptic number.

11131023 is a deficient number, since it is larger than the sum of its proper divisors (4055665).

11131023 is an equidigital number, since it uses as much as digits as its factorization.

11131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86333.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 11131023 is about 3336.3187797331. The cubic root of 11131023 is about 223.2775338927.

Adding to 11131023 its reverse (32013111), we get a palindrome (43144134).

The spelling of 11131023 in words is "eleven million, one hundred thirty-one thousand, twenty-three".