11030023 has 4 divisors (see below), whose sum is σ = 11104200. Its totient is φ = 10955848.

The previous prime is 11030011. The next prime is 11030039. The reversal of 11030023 is 32003011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11030023 is a prime.

It is a super-2 number, since 2×11030023² = 243322814761058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11029991 and 11030009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36865 + ... + 37162.

It is an arithmetic number, because the mean of its divisors is an integer number (2776050).

Almost surely, 2^11030023 is an apocalyptic number.

11030023 is a deficient number, since it is larger than the sum of its proper divisors (74177).

11030023 is an equidigital number, since it uses as much as digits as its factorization.

11030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74176.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 11030023 is about 3321.1478437432. The cubic root of 11030023 is about 222.6001602665.

Adding to 11030023 its reverse (32003011), we get a palindrome (43033034).

The spelling of 11030023 in words is "eleven million, thirty thousand, twenty-three".