224242421012123 has 4 divisors (see below), whose sum is σ = 224258778340080. Its totient is φ = 224226063684168.

The previous prime is 224242421012089. The next prime is 224242421012161. The reversal of 224242421012123 is 321210124242422.

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 224242421012123 - 2⁸ = 224242421011867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224242421012123.

It is not an unprimeable number, because it can be changed into a prime (224242421012723) 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, 8178643415 + ... + 8178670832.

It is an arithmetic number, because the mean of its divisors is an integer number (56064694585020).

Almost surely, 2^{224242421012123} is an apocalyptic number.

224242421012123 is a deficient number, since it is larger than the sum of its proper divisors (16357327957).

224242421012123 is a wasteful number, since it uses less digits than its factorization.

224242421012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16357327956.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 224242421012123 its reverse (321210124242422), we get a palindrome (545452545254545).

The spelling of 224242421012123 in words is "two hundred twenty-four trillion, two hundred forty-two billion, four hundred twenty-one million, twelve thousand, one hundred twenty-three".