11423423 has 8 divisors (see below), whose sum is σ = 12752256. Its totient is φ = 10143000.

The previous prime is 11423411. The next prime is 11423429. The reversal of 11423423 is 32432411.

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 11423423 - 2⁶ = 11423359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11423395 and 11423404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423429) 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, 11603 + ... + 12548.

It is an arithmetic number, because the mean of its divisors is an integer number (1594032).

Almost surely, 2^11423423 is an apocalyptic number.

11423423 is a deficient number, since it is larger than the sum of its proper divisors (1328833).

11423423 is a wasteful number, since it uses less digits than its factorization.

11423423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24205.

The product of its digits is 576, while the sum is 20.

The square root of 11423423 is about 3379.8554702827. The cubic root of 11423423 is about 225.2157469689.

Adding to 11423423 its reverse (32432411), we get a palindrome (43855834).

The spelling of 11423423 in words is "eleven million, four hundred twenty-three thousand, four hundred twenty-three".