21234144302330 has 16 divisors (see below), whose sum is σ = 38225225217024. Its totient is φ = 8492820949200.

The previous prime is 21234144302323. The next prime is 21234144302341. The reversal of 21234144302330 is 3320344143212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104489882 + ... + 104692901.

It is an arithmetic number, because the mean of its divisors is an integer number (2389076576064).

Almost surely, 2^{21234144302330} is an apocalyptic number.

21234144302330 is a deficient number, since it is larger than the sum of its proper divisors (16991080914694).

21234144302330 is a wasteful number, since it uses less digits than its factorization.

21234144302330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209192941.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 21234144302330 its reverse (3320344143212), we get a palindrome (24554488445542).

The spelling of 21234144302330 in words is "twenty-one trillion, two hundred thirty-four billion, one hundred forty-four million, three hundred two thousand, three hundred thirty".