21230223314 has 16 divisors (see below), whose sum is σ = 33251342400. Its totient is φ = 10153284624.

The previous prime is 21230223299. The next prime is 21230223353. The reversal of 21230223314 is 41332203212.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21230223314.

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, 1704254 + ... + 1716665.

It is an arithmetic number, because the mean of its divisors is an integer number (2078208900).

Almost surely, 2^21230223314 is an apocalyptic number.

21230223314 is a deficient number, since it is larger than the sum of its proper divisors (12021119086).

21230223314 is a wasteful number, since it uses less digits than its factorization.

21230223314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421057.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21230223314 its reverse (41332203212), we get a palindrome (62562426526).

The spelling of 21230223314 in words is "twenty-one billion, two hundred thirty million, two hundred twenty-three thousand, three hundred fourteen".