21030022343 has 8 divisors (see below), whose sum is σ = 23168990736. Its totient is φ = 18928912000.

The previous prime is 21030022337. The next prime is 21030022357. The reversal of 21030022343 is 34322003012.

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 21030022343 - 2²² = 21025828039 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 (21030022303) 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, 9463346 + ... + 9465567.

It is an arithmetic number, because the mean of its divisors is an integer number (2896123842).

Almost surely, 2^21030022343 is an apocalyptic number.

21030022343 is a deficient number, since it is larger than the sum of its proper divisors (2138968393).

21030022343 is a wasteful number, since it uses less digits than its factorization.

21030022343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18929025.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21030022343 its reverse (34322003012), we get a palindrome (55352025355).

The spelling of 21030022343 in words is "twenty-one billion, thirty million, twenty-two thousand, three hundred forty-three".