24423661 has 2 divisors, whose sum is σ = 24423662. Its totient is φ = 24423660.

The previous prime is 24423617. The next prime is 24423689. The reversal of 24423661 is 16632442.

It is an a-pointer prime, because the next prime (24423689) can be obtained adding 24423661 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24314761 + 108900 = 4931^2 + 330^2 .

It is a cyclic number.

It is not a de Polignac number, because 24423661 - 2⁹ = 24423149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24423761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12211830 + 12211831.

It is an arithmetic number, because the mean of its divisors is an integer number (12211831).

Almost surely, 2^24423661 is an apocalyptic number.

It is an amenable number.

24423661 is a deficient number, since it is larger than the sum of its proper divisors (1).

24423661 is an equidigital number, since it uses as much as digits as its factorization.

24423661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 28.

The square root of 24423661 is about 4942.0300484720. The cubic root of 24423661 is about 290.1373150741.

The spelling of 24423661 in words is "twenty-four million, four hundred twenty-three thousand, six hundred sixty-one".