22430423 has 2 divisors, whose sum is σ = 22430424. Its totient is φ = 22430422.

The previous prime is 22430411. The next prime is 22430437. The reversal of 22430423 is 32403422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22430423 - 2⁴ = 22430407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22430395 and 22430404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22430323) 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, 11215211 + 11215212.

It is an arithmetic number, because the mean of its divisors is an integer number (11215212).

Almost surely, 2^22430423 is an apocalyptic number.

22430423 is a deficient number, since it is larger than the sum of its proper divisors (1).

22430423 is an equidigital number, since it uses as much as digits as its factorization.

22430423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 22430423 is about 4736.0767519119. The cubic root of 22430423 is about 282.0195105794.

Adding to 22430423 its reverse (32403422), we get a palindrome (54833845).

The spelling of 22430423 in words is "twenty-two million, four hundred thirty thousand, four hundred twenty-three".