11111423 has 8 divisors (see below), whose sum is σ = 11527680. Its totient is φ = 10698840.

The previous prime is 11111417. The next prime is 11111431. The reversal of 11111423 is 32411111.

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

It is a cyclic number.

It is not a de Polignac number, because 11111423 - 2⁴ = 11111407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11111398 and 11111407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111413) 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, 6248 + ... + 7826.

It is an arithmetic number, because the mean of its divisors is an integer number (1440960).

Almost surely, 2^11111423 is an apocalyptic number.

11111423 is a deficient number, since it is larger than the sum of its proper divisors (416257).

11111423 is a wasteful number, since it uses less digits than its factorization.

11111423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837.

The product of its digits is 24, while the sum is 14.

The square root of 11111423 is about 3333.3801163384. The cubic root of 11111423 is about 223.1464045615.

Adding to 11111423 its reverse (32411111), we get a palindrome (43522534).

The spelling of 11111423 in words is "eleven million, one hundred eleven thousand, four hundred twenty-three".