23189641 has 8 divisors (see below), whose sum is σ = 23977800. Its totient is φ = 22412160.

The previous prime is 23189623. The next prime is 23189653. The reversal of 23189641 is 14698132.

It can be written as a sum of positive squares in 4 ways, for example, as 2975625 + 20214016 = 1725^2 + 4496^2 .

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 23189641 - 2¹³ = 23181449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23189597 and 23189606.

It is not an unprimeable number, because it can be changed into a prime (23189611) 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, 1875 + ... + 7063.

It is an arithmetic number, because the mean of its divisors is an integer number (2997225).

Almost surely, 2^23189641 is an apocalyptic number.

It is an amenable number.

23189641 is a deficient number, since it is larger than the sum of its proper divisors (788159).

23189641 is a wasteful number, since it uses less digits than its factorization.

23189641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339.

The product of its digits is 10368, while the sum is 34.

The square root of 23189641 is about 4815.5623762963. The cubic root of 23189641 is about 285.1661737383.

The spelling of 23189641 in words is "twenty-three million, one hundred eighty-nine thousand, six hundred forty-one".