11031023 has 2 divisors, whose sum is σ = 11031024. Its totient is φ = 11031022.

The previous prime is 11031019. The next prime is 11031047. The reversal of 11031023 is 32013011.

It is a weak prime.

It is an emirp because it is prime and its reverse (32013011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11031023 - 2² = 11031019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11030995 and 11031013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11031073) 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 as a sum of consecutive naturals, namely, 5515511 + 5515512.

It is an arithmetic number, because the mean of its divisors is an integer number (5515512).

Almost surely, 2^11031023 is an apocalyptic number.

11031023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031023 is an equidigital number, since it uses as much as digits as its factorization.

11031023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 11031023 is about 3321.2983906900. The cubic root of 11031023 is about 222.6068871619.

Adding to 11031023 its reverse (32013011), we get a palindrome (43044034).

The spelling of 11031023 in words is "eleven million, thirty-one thousand, twenty-three".