11023000001 has 4 divisors (see below), whose sum is σ = 11870923092. Its totient is φ = 10175076912.

The previous prime is 11022999989. The next prime is 11023000061. The reversal of 11023000001 is 10000032011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5682898225 + 5340101776 = 75385^2 + 73076^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11023000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11023000061) 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, 423961526 + ... + 423961551.

It is an arithmetic number, because the mean of its divisors is an integer number (2967730773).

Almost surely, 2^11023000001 is an apocalyptic number.

It is an amenable number.

11023000001 is a deficient number, since it is larger than the sum of its proper divisors (847923091).

11023000001 is an equidigital number, since it uses as much as digits as its factorization.

11023000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847923090.

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

Adding to 11023000001 its reverse (10000032011), we get a palindrome (21023032012).

The spelling of 11023000001 in words is "eleven billion, twenty-three million, one", and thus it is an aban number and an uban number.