10421144423363 has 4 divisors (see below), whose sum is σ = 10431472615080. Its totient is φ = 10410816231648.

The previous prime is 10421144423353. The next prime is 10421144423369. The reversal of 10421144423363 is 36332444112401.

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 10421144423363 - 2²⁴ = 10421127646147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10421144423369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5164094345 + ... + 5164096362.

It is an arithmetic number, because the mean of its divisors is an integer number (2607868153770).

Almost surely, 2^{10421144423363} is an apocalyptic number.

10421144423363 is a deficient number, since it is larger than the sum of its proper divisors (10328191717).

10421144423363 is a wasteful number, since it uses less digits than its factorization.

10421144423363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10328191716.

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 10421144423363 its reverse (36332444112401), we get a palindrome (46753588535764).

The spelling of 10421144423363 in words is "ten trillion, four hundred twenty-one billion, one hundred forty-four million, four hundred twenty-three thousand, three hundred sixty-three".