23421234 has 8 divisors (see below), whose sum is σ = 46842480. Its totient is φ = 7807076.

The previous prime is 23421221. The next prime is 23421253. The reversal of 23421234 is 43212432.

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

23421234 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23421234.

It is an unprimeable number.

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, 1951764 + ... + 1951775.

It is an arithmetic number, because the mean of its divisors is an integer number (5855310).

Almost surely, 2^23421234 is an apocalyptic number.

23421234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23421234 is a wasteful number, since it uses less digits than its factorization.

23421234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903544.

The product of its digits is 1152, while the sum is 21.

The square root of 23421234 is about 4839.5489459246. The cubic root of 23421234 is about 286.1123411502.

Adding to 23421234 its reverse (43212432), we get a palindrome (66633666).

The spelling of 23421234 in words is "twenty-three million, four hundred twenty-one thousand, two hundred thirty-four".