11001423 has 4 divisors (see below), whose sum is σ = 14668568. Its totient is φ = 7334280.

The previous prime is 11001413. The next prime is 11001427. The reversal of 11001423 is 32410011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32410011 = 3 ⋅10803337.

It is not a de Polignac number, because 11001423 - 2⁵ = 11001391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001399 and 11001408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001427) 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, 1833568 + ... + 1833573.

It is an arithmetic number, because the mean of its divisors is an integer number (3667142).

Almost surely, 2^11001423 is an apocalyptic number.

11001423 is a deficient number, since it is larger than the sum of its proper divisors (3667145).

11001423 is an equidigital number, since it uses as much as digits as its factorization.

11001423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667144.

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

The square root of 11001423 is about 3316.8393087396. The cubic root of 11001423 is about 222.4075987151.

Adding to 11001423 its reverse (32410011), we get a palindrome (43411434).

The spelling of 11001423 in words is "eleven million, one thousand, four hundred twenty-three".