12342923 has 4 divisors (see below), whose sum is σ = 12545328. Its totient is φ = 12140520.

The previous prime is 12342917. The next prime is 12342931. The reversal of 12342923 is 32924321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32924321 = 19 ⋅1732859.

It is a cyclic number.

It is not a de Polignac number, because 12342923 - 2⁸ = 12342667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12342892 and 12342901.

It is not an unprimeable number, because it can be changed into a prime (12342983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101111 + ... + 101232.

It is an arithmetic number, because the mean of its divisors is an integer number (3136332).

Almost surely, 2^12342923 is an apocalyptic number.

12342923 is a deficient number, since it is larger than the sum of its proper divisors (202405).

12342923 is an equidigital number, since it uses as much as digits as its factorization.

12342923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202404.

The product of its digits is 2592, while the sum is 26.

The square root of 12342923 is about 3513.2496353092. The cubic root of 12342923 is about 231.1032252935.

The spelling of 12342923 in words is "twelve million, three hundred forty-two thousand, nine hundred twenty-three".