24423121 has 2 divisors, whose sum is σ = 24423122. Its totient is φ = 24423120.

The previous prime is 24423107. The next prime is 24423131. The reversal of 24423121 is 12132442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12250000 + 12173121 = 3500^2 + 3489^2 .

It is a cyclic number.

It is not a de Polignac number, because 24423121 - 2⁹ = 24422609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24423131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12211560 + 12211561.

It is an arithmetic number, because the mean of its divisors is an integer number (12211561).

Almost surely, 2^24423121 is an apocalyptic number.

It is an amenable number.

24423121 is a deficient number, since it is larger than the sum of its proper divisors (1).

24423121 is an equidigital number, since it uses as much as digits as its factorization.

24423121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 19.

The square root of 24423121 is about 4941.9754147507. The cubic root of 24423121 is about 290.1351767746.

Adding to 24423121 its reverse (12132442), we get a palindrome (36555563).

The spelling of 24423121 in words is "twenty-four million, four hundred twenty-three thousand, one hundred twenty-one".