11002023 has 12 divisors (see below), whose sum is σ = 16261960. Its totient is φ = 7163856.

The previous prime is 11002001. The next prime is 11002037. The reversal of 11002023 is 32020011.

It is a happy number.

It is not a de Polignac number, because 11002023 - 2¹² = 10997927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001996 and 11002014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002423) 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 11 ways as a sum of consecutive naturals, for example, 13828 + ... + 14601.

Almost surely, 2^11002023 is an apocalyptic number.

11002023 is a deficient number, since it is larger than the sum of its proper divisors (5259937).

11002023 is a wasteful number, since it uses less digits than its factorization.

11002023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28478 (or 28475 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 11002023 is about 3316.9297550596. The cubic root of 11002023 is about 222.4116418931.

Adding to 11002023 its reverse (32020011), we get a palindrome (43022034).

The spelling of 11002023 in words is "eleven million, two thousand, twenty-three".