23639041 has 4 divisors (see below), whose sum is σ = 24277972. Its totient is φ = 23000112.

The previous prime is 23639039. The next prime is 23639047. The reversal of 23639041 is 14093632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16982641 + 6656400 = 4121^2 + 2580^2 .

It is a cyclic number.

It is not a de Polignac number, because 23639041 - 2¹ = 23639039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23639047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319410 + ... + 319483.

It is an arithmetic number, because the mean of its divisors is an integer number (6069493).

Almost surely, 2^23639041 is an apocalyptic number.

It is an amenable number.

23639041 is a deficient number, since it is larger than the sum of its proper divisors (638931).

23639041 is an equidigital number, since it uses as much as digits as its factorization.

23639041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638930.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 23639041 is about 4861.9996914850. Note that the first 3 decimals coincide. The cubic root of 23639041 is about 286.9965115902.

The spelling of 23639041 in words is "twenty-three million, six hundred thirty-nine thousand, forty-one".