23209342 has 8 divisors (see below), whose sum is σ = 37492056. Its totient is φ = 10711992.

The previous prime is 23209339. The next prime is 23209343. The reversal of 23209342 is 24390232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23209343) 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, 446308 + ... + 446359.

It is an arithmetic number, because the mean of its divisors is an integer number (4686507).

Almost surely, 2^23209342 is an apocalyptic number.

23209342 is a deficient number, since it is larger than the sum of its proper divisors (14282714).

23209342 is a wasteful number, since it uses less digits than its factorization.

23209342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892682.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23209342 is about 4817.6074975033. The cubic root of 23209342 is about 285.2469061737.

Adding to 23209342 its reverse (24390232), we get a palindrome (47599574).

The spelling of 23209342 in words is "twenty-three million, two hundred nine thousand, three hundred forty-two".