21302022313123 has 8 divisors (see below), whose sum is σ = 21681348822720. Its totient is φ = 20923667191680.

The previous prime is 21302022313079. The next prime is 21302022313157. The reversal of 21302022313123 is 32131322020312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21302022313123 - 2³³ = 21293432378531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21302022313423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242802790 + ... + 242890507.

It is an arithmetic number, because the mean of its divisors is an integer number (2710168602840).

Almost surely, 2^{21302022313123} is an apocalyptic number.

21302022313123 is a deficient number, since it is larger than the sum of its proper divisors (379326509597).

21302022313123 is an equidigital number, since it uses as much as digits as its factorization.

21302022313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485694077.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21302022313123 its reverse (32131322020312), we get a palindrome (53433344333435).

The spelling of 21302022313123 in words is "twenty-one trillion, three hundred two billion, twenty-two million, three hundred thirteen thousand, one hundred twenty-three".