11568423 has 4 divisors (see below), whose sum is σ = 15424568. Its totient is φ = 7712280.

The previous prime is 11568413. The next prime is 11568433. The reversal of 11568423 is 32486511.

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

It is an interprime number because it is at equal distance from previous prime (11568413) and next prime (11568433).

It is not a de Polignac number, because 11568423 - 2⁴ = 11568407 is a prime.

It is a super-4 number, since 4×11568423⁴ (a number of 29 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11568413) 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, 1928068 + ... + 1928073.

It is an arithmetic number, because the mean of its divisors is an integer number (3856142).

Almost surely, 2^11568423 is an apocalyptic number.

11568423 is a deficient number, since it is larger than the sum of its proper divisors (3856145).

11568423 is an equidigital number, since it uses as much as digits as its factorization.

11568423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856144.

The product of its digits is 5760, while the sum is 30.

The square root of 11568423 is about 3401.2384509175. The cubic root of 11568423 is about 226.1646475563.

The spelling of 11568423 in words is "eleven million, five hundred sixty-eight thousand, four hundred twenty-three".