11023122403 has 4 divisors (see below), whose sum is σ = 11603286760. Its totient is φ = 10442958048.

The previous prime is 11023122391. The next prime is 11023122431. The reversal of 11023122403 is 30422132011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30422132011 = 193 ⋅157627627.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11023122403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 580164337 = 11023122403 / (1 + 1 + 0 + 2 + 3 + 1 + 2 + 2 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11023122433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290082150 + ... + 290082187.

It is an arithmetic number, because the mean of its divisors is an integer number (2900821690).

Almost surely, 2^11023122403 is an apocalyptic number.

11023122403 is a deficient number, since it is larger than the sum of its proper divisors (580164357).

11023122403 is an equidigital number, since it uses as much as digits as its factorization.

11023122403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580164356.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11023122403 its reverse (30422132011), we get a palindrome (41445254414).

The spelling of 11023122403 in words is "eleven billion, twenty-three million, one hundred twenty-two thousand, four hundred three".