11233020403 has 4 divisors (see below), whose sum is σ = 12254204088. Its totient is φ = 10211836720.

The previous prime is 11233020373. The next prime is 11233020413. The reversal of 11233020403 is 30402033211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11233020403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11233020413) 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, 510591826 + ... + 510591847.

It is an arithmetic number, because the mean of its divisors is an integer number (3063551022).

Almost surely, 2^11233020403 is an apocalyptic number.

11233020403 is a deficient number, since it is larger than the sum of its proper divisors (1021183685).

11233020403 is a wasteful number, since it uses less digits than its factorization.

11233020403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021183684.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 11233020403 its reverse (30402033211), we get a palindrome (41635053614).

The spelling of 11233020403 in words is "eleven billion, two hundred thirty-three million, twenty thousand, four hundred three".