11023001 has 4 divisors (see below), whose sum is σ = 12025104. Its totient is φ = 10020900.

The previous prime is 11022967. The next prime is 11023009. The reversal of 11023001 is 10032011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11023001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11023001.

It is not an unprimeable number, because it can be changed into a prime (11023009) 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, 501035 + ... + 501056.

It is an arithmetic number, because the mean of its divisors is an integer number (3006276).

Almost surely, 2^11023001 is an apocalyptic number.

11023001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11023001 is a deficient number, since it is larger than the sum of its proper divisors (1002103).

11023001 is a wasteful number, since it uses less digits than its factorization.

11023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002102.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 11023001 is about 3320.0905108144. The cubic root of 11023001 is about 222.5529125516.

Adding to 11023001 its reverse (10032011), we get a palindrome (21055012).

The spelling of 11023001 in words is "eleven million, twenty-three thousand, one".