24221423 has 2 divisors, whose sum is σ = 24221424. Its totient is φ = 24221422.

The previous prime is 24221411. The next prime is 24221429. The reversal of 24221423 is 32412242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24221423 - 2¹² = 24217327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24221395 and 24221404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24221429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12110711 + 12110712.

It is an arithmetic number, because the mean of its divisors is an integer number (12110712).

Almost surely, 2^24221423 is an apocalyptic number.

24221423 is a deficient number, since it is larger than the sum of its proper divisors (1).

24221423 is an equidigital number, since it uses as much as digits as its factorization.

24221423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 20.

The square root of 24221423 is about 4921.5264908359. The cubic root of 24221423 is about 289.3342755472.

Adding to 24221423 its reverse (32412242), we get a palindrome (56633665).

The spelling of 24221423 in words is "twenty-four million, two hundred twenty-one thousand, four hundred twenty-three".