11100423 has 4 divisors (see below), whose sum is σ = 14800568. Its totient is φ = 7400280.

The previous prime is 11100409. The next prime is 11100433. The reversal of 11100423 is 32400111.

It is a happy number.

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

It is not a de Polignac number, because 11100423 - 2⁵ = 11100391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100399 and 11100408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100403) 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, 1850068 + ... + 1850073.

It is an arithmetic number, because the mean of its divisors is an integer number (3700142).

Almost surely, 2^11100423 is an apocalyptic number.

11100423 is a deficient number, since it is larger than the sum of its proper divisors (3700145).

11100423 is an equidigital number, since it uses as much as digits as its factorization.

11100423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700144.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11100423 is about 3331.7297309356. The cubic root of 11100423 is about 223.0727440023.

Adding to 11100423 its reverse (32400111), we get a palindrome (43500534).

The spelling of 11100423 in words is "eleven million, one hundred thousand, four hundred twenty-three".