21142323422014 has 8 divisors (see below), whose sum is σ = 31715878824000. Its totient is φ = 10570363814016.

The previous prime is 21142323422009. The next prime is 21142323422041. The reversal of 21142323422014 is 41022432324112.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398915374 + ... + 398968369.

It is an arithmetic number, because the mean of its divisors is an integer number (3964484853000).

Almost surely, 2^{21142323422014} is an apocalyptic number.

21142323422014 is a deficient number, since it is larger than the sum of its proper divisors (10573555401986).

21142323422014 is a wasteful number, since it uses less digits than its factorization.

21142323422014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797896994.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 21142323422014 its reverse (41022432324112), we get a palindrome (62164755746126).

The spelling of 21142323422014 in words is "twenty-one trillion, one hundred forty-two billion, three hundred twenty-three million, four hundred twenty-two thousand, fourteen".