11100031423 has 4 divisors (see below), whose sum is σ = 11953880008. Its totient is φ = 10246182840.

The previous prime is 11100031421. The next prime is 11100031427. The reversal of 11100031423 is 32413000111.

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

It is a cyclic number.

It is not a de Polignac number, because 11100031423 - 2¹ = 11100031421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100031397 and 11100031406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100031421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426924273 + ... + 426924298.

It is an arithmetic number, because the mean of its divisors is an integer number (2988470002).

Almost surely, 2^11100031423 is an apocalyptic number.

11100031423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11100031423 is a deficient number, since it is larger than the sum of its proper divisors (853848585).

11100031423 is an equidigital number, since it uses as much as digits as its factorization.

11100031423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853848584.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11100031423 its reverse (32413000111), we get a palindrome (43513031534).

The spelling of 11100031423 in words is "eleven billion, one hundred million, thirty-one thousand, four hundred twenty-three".