21233555314 has 4 divisors (see below), whose sum is σ = 31850332974. Its totient is φ = 10616777656.

The previous prime is 21233555293. The next prime is 21233555341. The reversal of 21233555314 is 41355533212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13003981225 + 8229574089 = 114035^2 + 90717^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 21233555314.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5308388827 + ... + 5308388830.

Almost surely, 2^21233555314 is an apocalyptic number.

21233555314 is a deficient number, since it is larger than the sum of its proper divisors (10616777660).

21233555314 is a wasteful number, since it uses less digits than its factorization.

21233555314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10616777659.

The product of its digits is 54000, while the sum is 34.

The spelling of 21233555314 in words is "twenty-one billion, two hundred thirty-three million, five hundred fifty-five thousand, three hundred fourteen".