22430221121423 has 4 divisors (see below), whose sum is σ = 22430502892200. Its totient is φ = 22429939350648.

The previous prime is 22430221121411. The next prime is 22430221121471. The reversal of 22430221121423 is 32412112203422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22430221121423 - 2¹⁶ = 22430221055887 is a prime.

It is a super-2 number, since 2×22430221121423² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22430221111423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140765948 + ... + 140925201.

It is an arithmetic number, because the mean of its divisors is an integer number (5607625723050).

Almost surely, 2^{22430221121423} is an apocalyptic number.

22430221121423 is a deficient number, since it is larger than the sum of its proper divisors (281770777).

22430221121423 is an equidigital number, since it uses as much as digits as its factorization.

22430221121423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281770776.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 22430221121423 its reverse (32412112203422), we get a palindrome (54842333324845).

The spelling of 22430221121423 in words is "twenty-two trillion, four hundred thirty billion, two hundred twenty-one million, one hundred twenty-one thousand, four hundred twenty-three".