21230222023 has 8 divisors (see below), whose sum is σ = 21439358928. Its totient is φ = 21021458304.

The previous prime is 21230222003. The next prime is 21230222051. The reversal of 21230222023 is 32022203212.

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 21230222023 - 2¹⁷ = 21230090951 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 (21230222003) 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, 21736 + ... + 207202.

It is an arithmetic number, because the mean of its divisors is an integer number (2679919866).

Almost surely, 2^21230222023 is an apocalyptic number.

21230222023 is a deficient number, since it is larger than the sum of its proper divisors (209136905).

21230222023 is a wasteful number, since it uses less digits than its factorization.

21230222023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186593.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 21230222023 its reverse (32022203212), we get a palindrome (53252425235).

It can be divided in two parts, 21230 and 222023, that added together give a triangular number (243253 = T₆₉₇).

The spelling of 21230222023 in words is "twenty-one billion, two hundred thirty million, two hundred twenty-two thousand, twenty-three".