11023232403 has 4 divisors (see below), whose sum is σ = 14697643208. Its totient is φ = 7348821600.

The previous prime is 11023232399. The next prime is 11023232411. The reversal of 11023232403 is 30423232011.

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

It is not a de Polignac number, because 11023232403 - 2² = 11023232399 is a prime.

It is a super-2 number, since 2×11023232403² (a number of 21 digits) contains 22 as substring.

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 11023232403.

It is not an unprimeable number, because it can be changed into a prime (11023232443) 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, 1837205398 + ... + 1837205403.

It is an arithmetic number, because the mean of its divisors is an integer number (3674410802).

Almost surely, 2^11023232403 is an apocalyptic number.

11023232403 is a deficient number, since it is larger than the sum of its proper divisors (3674410805).

11023232403 is an equidigital number, since it uses as much as digits as its factorization.

11023232403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674410804.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 11023232403 its reverse (30423232011), we get a palindrome (41446464414).

The spelling of 11023232403 in words is "eleven billion, twenty-three million, two hundred thirty-two thousand, four hundred three".