11123420433 has 8 divisors (see below), whose sum is σ = 15703652448. Its totient is φ = 6979401024.

The previous prime is 11123420383. The next prime is 11123420447. The reversal of 11123420433 is 33402432111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11123420433 - 2⁶ = 11123420369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123420453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109053091 + ... + 109053192.

It is an arithmetic number, because the mean of its divisors is an integer number (1962956556).

Almost surely, 2^11123420433 is an apocalyptic number.

It is an amenable number.

11123420433 is a deficient number, since it is larger than the sum of its proper divisors (4580232015).

11123420433 is a wasteful number, since it uses less digits than its factorization.

11123420433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218106303.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11123420433 its reverse (33402432111), we get a palindrome (44525852544).

The spelling of 11123420433 in words is "eleven billion, one hundred twenty-three million, four hundred twenty thousand, four hundred thirty-three".