23438417 has 8 divisors (see below), whose sum is σ = 23797800. Its totient is φ = 23081344.

The previous prime is 23438413. The next prime is 23438423. The reversal of 23438417 is 71483432.

It can be written as a sum of positive squares in 4 ways, for example, as 4289041 + 19149376 = 2071^2 + 4376^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23438417 - 2² = 23438413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23438411) 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 7 ways as a sum of consecutive naturals, for example, 34283 + ... + 34959.

It is an arithmetic number, because the mean of its divisors is an integer number (2974725).

Almost surely, 2^23438417 is an apocalyptic number.

It is an amenable number.

23438417 is a deficient number, since it is larger than the sum of its proper divisors (359383).

23438417 is an equidigital number, since it uses as much as digits as its factorization.

23438417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its digits is 16128, while the sum is 32.

The square root of 23438417 is about 4841.3238891857. The cubic root of 23438417 is about 286.1822928669.

The spelling of 23438417 in words is "twenty-three million, four hundred thirty-eight thousand, four hundred seventeen".