11303203233 has 12 divisors (see below), whose sum is σ = 17531499120. Its totient is φ = 6458973192.

The previous prime is 11303203207. The next prime is 11303203279. The reversal of 11303203233 is 33230230311.

It is not a de Polignac number, because 11303203233 - 2²¹ = 11301106081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11303203133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38446123 + ... + 38446416.

It is an arithmetic number, because the mean of its divisors is an integer number (1460958260).

Almost surely, 2^11303203233 is an apocalyptic number.

It is an amenable number.

11303203233 is a deficient number, since it is larger than the sum of its proper divisors (6228295887).

11303203233 is an equidigital number, since it uses as much as digits as its factorization.

11303203233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76892556 (or 76892549 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 11303203233 its reverse (33230230311), we get a palindrome (44533433544).

The spelling of 11303203233 in words is "eleven billion, three hundred three million, two hundred three thousand, two hundred thirty-three".