21232222023 has 16 divisors (see below), whose sum is σ = 29316862080. Its totient is φ = 13652233056.

The previous prime is 21232222007. The next prime is 21232222027. The reversal of 21232222023 is 32022223212.

It is not a de Polignac number, because 21232222023 - 2⁴ = 21232222007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232222027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46465 + ... + 211242.

It is an arithmetic number, because the mean of its divisors is an integer number (1832303880).

Almost surely, 2^21232222023 is an apocalyptic number.

21232222023 is a deficient number, since it is larger than the sum of its proper divisors (8084640057).

21232222023 is a wasteful number, since it uses less digits than its factorization.

21232222023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258686.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 21232222023 its reverse (32022223212), we get a palindrome (53254445235).

The spelling of 21232222023 in words is "twenty-one billion, two hundred thirty-two million, two hundred twenty-two thousand, twenty-three".