22023121430 has 16 divisors (see below), whose sum is σ = 39648238560. Its totient is φ = 8807777472.

The previous prime is 22023121409. The next prime is 22023121447. The reversal of 22023121430 is 3412132022.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119954 + ... + 241733.

It is an arithmetic number, because the mean of its divisors is an integer number (2478014910).

Almost surely, 2^22023121430 is an apocalyptic number.

22023121430 is a deficient number, since it is larger than the sum of its proper divisors (17625117130).

22023121430 is a wasteful number, since it uses less digits than its factorization.

22023121430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367783.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22023121430 its reverse (3412132022), we get a palindrome (25435253452).

The spelling of 22023121430 in words is "twenty-two billion, twenty-three million, one hundred twenty-one thousand, four hundred thirty".