23421335 has 8 divisors (see below), whose sum is σ = 32120736. Its totient is φ = 16060320.

The previous prime is 23421331. The next prime is 23421341. The reversal of 23421335 is 53312432.

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

It is not a de Polignac number, because 23421335 - 2² = 23421331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23421335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421331) 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 7 ways as a sum of consecutive naturals, for example, 334556 + ... + 334625.

It is an arithmetic number, because the mean of its divisors is an integer number (4015092).

Almost surely, 2^23421335 is an apocalyptic number.

23421335 is a deficient number, since it is larger than the sum of its proper divisors (8699401).

23421335 is an equidigital number, since it uses as much as digits as its factorization.

23421335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669193.

The product of its digits is 2160, while the sum is 23.

The square root of 23421335 is about 4839.5593807701. The cubic root of 23421335 is about 286.1127524195.

Adding to 23421335 its reverse (53312432), we get a palindrome (76733767).

The spelling of 23421335 in words is "twenty-three million, four hundred twenty-one thousand, three hundred thirty-five".