23823641 has 2 divisors, whose sum is σ = 23823642. Its totient is φ = 23823640.

The previous prime is 23823637. The next prime is 23823649. The reversal of 23823641 is 14632832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18966025 + 4857616 = 4355^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 23823641 - 2² = 23823637 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23823649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11911820 + 11911821.

It is an arithmetic number, because the mean of its divisors is an integer number (11911821).

Almost surely, 2^23823641 is an apocalyptic number.

It is an amenable number.

23823641 is a deficient number, since it is larger than the sum of its proper divisors (1).

23823641 is an equidigital number, since it uses as much as digits as its factorization.

23823641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 23823641 is about 4880.9467319363. The cubic root of 23823641 is about 287.7416383125.

The spelling of 23823641 in words is "twenty-three million, eight hundred twenty-three thousand, six hundred forty-one".