21430301422344 has 64 divisors (see below), whose sum is σ = 56396872704000. Its totient is φ = 6767302489920.

The previous prime is 21430301422339. The next prime is 21430301422351. The reversal of 21430301422344 is 44322410303412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19394637 + ... + 20469795.

It is an arithmetic number, because the mean of its divisors is an integer number (881201136000).

Almost surely, 2^{21430301422344} is an apocalyptic number.

21430301422344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21430301422344 is an abundant number, since it is smaller than the sum of its proper divisors (34966571281656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21430301422344 is a wasteful number, since it uses less digits than its factorization.

21430301422344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118898 (or 1118894 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 21430301422344 its reverse (44322410303412), we get a palindrome (65752711725756).

The spelling of 21430301422344 in words is "twenty-one trillion, four hundred thirty billion, three hundred one million, four hundred twenty-two thousand, three hundred forty-four".