11023220403 has 24 divisors (see below), whose sum is σ = 17169555312. Its totient is φ = 6774689088.

The previous prime is 11023220389. The next prime is 11023220413. The reversal of 11023220403 is 30402232011.

11023220403 is a `hidden beast` number, since 1 + 10 + 232 + 20 + 403 = 666.

11023220403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11023220403 - 2¹⁴ = 11023204019 is a prime.

It is a super-2 number, since 2×11023220403² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11023220413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29500 + ... + 151382.

It is an arithmetic number, because the mean of its divisors is an integer number (715398138).

Almost surely, 2^11023220403 is an apocalyptic number.

11023220403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11023220403 is a deficient number, since it is larger than the sum of its proper divisors (6146334909).

11023220403 is a wasteful number, since it uses less digits than its factorization.

11023220403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122675 (or 122672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 11023220403 its reverse (30402232011), we get a palindrome (41425452414).

The spelling of 11023220403 in words is "eleven billion, twenty-three million, two hundred twenty thousand, four hundred three".