22423232420403 has 4 divisors (see below), whose sum is σ = 29897643227208. Its totient is φ = 14948821613600.

The previous prime is 22423232420377. The next prime is 22423232420471. The reversal of 22423232420403 is 30402423232422.

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 22423232420403 - 2¹⁶ = 22423232354867 is a prime.

It is a super-4 number, since 4×22423232420403⁴ (a number of 55 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (22423232420203) 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, 3737205403398 + ... + 3737205403403.

It is an arithmetic number, because the mean of its divisors is an integer number (7474410806802).

Almost surely, 2^{22423232420403} is an apocalyptic number.

22423232420403 is a deficient number, since it is larger than the sum of its proper divisors (7474410806805).

22423232420403 is an equidigital number, since it uses as much as digits as its factorization.

22423232420403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7474410806804.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 22423232420403 its reverse (30402423232422), we get a palindrome (52825655652825).

The spelling of 22423232420403 in words is "twenty-two trillion, four hundred twenty-three billion, two hundred thirty-two million, four hundred twenty thousand, four hundred three".