21234662233 has 8 divisors (see below), whose sum is σ = 21319958016. Its totient is φ = 21149436000.

The previous prime is 21234662227. The next prime is 21234662299. The reversal of 21234662233 is 33226643212.

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

It is a cyclic number.

It is not a de Polignac number, because 21234662233 - 2¹⁷ = 21234531161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21234662203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644560 + ... + 676702.

It is an arithmetic number, because the mean of its divisors is an integer number (2664994752).

Almost surely, 2^21234662233 is an apocalyptic number.

It is an amenable number.

21234662233 is a deficient number, since it is larger than the sum of its proper divisors (85295783).

21234662233 is a wasteful number, since it uses less digits than its factorization.

21234662233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34775.

The product of its digits is 62208, while the sum is 34.

The spelling of 21234662233 in words is "twenty-one billion, two hundred thirty-four million, six hundred sixty-two thousand, two hundred thirty-three".