12134723 has 4 divisors (see below), whose sum is σ = 12230400. Its totient is φ = 12039048.

The previous prime is 12134693. The next prime is 12134737. The reversal of 12134723 is 32743121.

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

It is a cyclic number.

It is not a de Polignac number, because 12134723 - 2⁸ = 12134467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12134743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47648 + ... + 47901.

It is an arithmetic number, because the mean of its divisors is an integer number (3057600).

Almost surely, 2^12134723 is an apocalyptic number.

12134723 is a deficient number, since it is larger than the sum of its proper divisors (95677).

12134723 is an equidigital number, since it uses as much as digits as its factorization.

12134723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95676.

The product of its digits is 1008, while the sum is 23.

The square root of 12134723 is about 3483.4929309531. The cubic root of 12134723 is about 229.7964361440.

Adding to 12134723 its reverse (32743121), we get a palindrome (44877844).

The spelling of 12134723 in words is "twelve million, one hundred thirty-four thousand, seven hundred twenty-three".