23404661 has 8 divisors (see below), whose sum is σ = 26796480. Its totient is φ = 20024928.

The previous prime is 23404643. The next prime is 23404687. The reversal of 23404661 is 16640432.

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

It is not a de Polignac number, because 23404661 - 2¹⁰ = 23403637 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 23404661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404621) 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, 1610 + ... + 7028.

It is an arithmetic number, because the mean of its divisors is an integer number (3349560).

Almost surely, 2^23404661 is an apocalyptic number.

It is an amenable number.

23404661 is a deficient number, since it is larger than the sum of its proper divisors (3391819).

23404661 is an equidigital number, since it uses as much as digits as its factorization.

23404661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 23404661 is about 4837.8363965723. The cubic root of 23404661 is about 286.0448403132.

The spelling of 23404661 in words is "twenty-three million, four hundred four thousand, six hundred sixty-one".