21233022343 has 8 divisors (see below), whose sum is σ = 22919391936. Its totient is φ = 19554232800.

The previous prime is 21233022341. The next prime is 21233022373. The reversal of 21233022343 is 34322033212.

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 21233022343 - 2¹ = 21233022341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233022341) 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, 1889188 + ... + 1900393.

It is an arithmetic number, because the mean of its divisors is an integer number (2864923992).

Almost surely, 2^21233022343 is an apocalyptic number.

21233022343 is a deficient number, since it is larger than the sum of its proper divisors (1686369593).

21233022343 is a wasteful number, since it uses less digits than its factorization.

21233022343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790025.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 21233022343 its reverse (34322033212), we get a palindrome (55555055555).

The spelling of 21233022343 in words is "twenty-one billion, two hundred thirty-three million, twenty-two thousand, three hundred forty-three".