22435423 has 2 divisors, whose sum is σ = 22435424. Its totient is φ = 22435422.

The previous prime is 22435417. The next prime is 22435463. The reversal of 22435423 is 32453422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22435423 - 2¹⁷ = 22304351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22435463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11217711 + 11217712.

It is an arithmetic number, because the mean of its divisors is an integer number (11217712).

Almost surely, 2^22435423 is an apocalyptic number.

22435423 is a deficient number, since it is larger than the sum of its proper divisors (1).

22435423 is an equidigital number, since it uses as much as digits as its factorization.

22435423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 25.

The square root of 22435423 is about 4736.6045855655. The cubic root of 22435423 is about 282.0404641565.

Adding to 22435423 its reverse (32453422), we get a palindrome (54888845).

The spelling of 22435423 in words is "twenty-two million, four hundred thirty-five thousand, four hundred twenty-three".