1111424423 has 8 divisors (see below), whose sum is σ = 1162512096. Its totient is φ = 1060567200.

The previous prime is 1111424417. The next prime is 1111424467. The reversal of 1111424423 is 3244241111.

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 1111424423 - 2²⁴ = 1094647207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111424473) 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 7 ways as a sum of consecutive naturals, for example, 47708 + ... + 67073.

It is an arithmetic number, because the mean of its divisors is an integer number (145314012).

Almost surely, 2^1111424423 is an apocalyptic number.

1111424423 is a deficient number, since it is larger than the sum of its proper divisors (51087673).

1111424423 is a wasteful number, since it uses less digits than its factorization.

1111424423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115225.

The product of its digits is 768, while the sum is 23.

The square root of 1111424423 is about 33338.0326804087. The cubic root of 1111424423 is about 1035.8415127907.

Adding to 1111424423 its reverse (3244241111), we get a palindrome (4355665534).

The spelling of 1111424423 in words is "one billion, one hundred eleven million, four hundred twenty-four thousand, four hundred twenty-three".