11033004423 has 16 divisors (see below), whose sum is σ = 16934918400. Its totient is φ = 6258553536.

The previous prime is 11033004421. The next prime is 11033004473. The reversal of 11033004423 is 32440033011.

It is not a de Polignac number, because 11033004423 - 2¹ = 11033004421 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11033004423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033004421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1914573 + ... + 1920326.

It is an arithmetic number, because the mean of its divisors is an integer number (1058432400).

Almost surely, 2^11033004423 is an apocalyptic number.

11033004423 is a deficient number, since it is larger than the sum of its proper divisors (5901913977).

11033004423 is a wasteful number, since it uses less digits than its factorization.

11033004423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835046.

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

Adding to 11033004423 its reverse (32440033011), we get a palindrome (43473037434).

The spelling of 11033004423 in words is "eleven billion, thirty-three million, four thousand, four hundred twenty-three".