11131333423 has 16 divisors (see below), whose sum is σ = 13472642304. Its totient is φ = 8978037120.

The previous prime is 11131333393. The next prime is 11131333439. The reversal of 11131333423 is 32433313111.

It is a cyclic number.

It is not a de Polignac number, because 11131333423 - 2⁹ = 11131332911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131333223) 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, 1062336 + ... + 1072762.

It is an arithmetic number, because the mean of its divisors is an integer number (842040144).

Almost surely, 2^11131333423 is an apocalyptic number.

11131333423 is a deficient number, since it is larger than the sum of its proper divisors (2341308881).

11131333423 is a wasteful number, since it uses less digits than its factorization.

11131333423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19422.

The product of its digits is 1944, while the sum is 25.

Adding to 11131333423 its reverse (32433313111), we get a palindrome (43564646534).

The spelling of 11131333423 in words is "eleven billion, one hundred thirty-one million, three hundred thirty-three thousand, four hundred twenty-three".