12056423 has 4 divisors (see below), whose sum is σ = 12063408. Its totient is φ = 12049440.

The previous prime is 12056399. The next prime is 12056437. The reversal of 12056423 is 32465021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12056423 - 2⁸ = 12056167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056453) 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, 1190 + ... + 5052.

It is an arithmetic number, because the mean of its divisors is an integer number (3015852).

Almost surely, 2^12056423 is an apocalyptic number.

12056423 is a deficient number, since it is larger than the sum of its proper divisors (6985).

12056423 is an equidigital number, since it uses as much as digits as its factorization.

12056423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12056423 is about 3472.2360230837. The cubic root of 12056423 is about 229.3011109876.

The spelling of 12056423 in words is "twelve million, fifty-six thousand, four hundred twenty-three".