23021200322 has 4 divisors (see below), whose sum is σ = 34531800486. Its totient is φ = 11510600160.

The previous prime is 23021200309. The next prime is 23021200327. The reversal of 23021200322 is 22300212032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16540789321 + 6480411001 = 128611^2 + 80501^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23021200322.

It is not an unprimeable number, because it can be changed into a prime (23021200327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5755300079 + ... + 5755300082.

Almost surely, 2^23021200322 is an apocalyptic number.

23021200322 is a deficient number, since it is larger than the sum of its proper divisors (11510600164).

23021200322 is a wasteful number, since it uses less digits than its factorization.

23021200322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11510600163.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23021200322 its reverse (22300212032), we get a palindrome (45321412354).

The spelling of 23021200322 in words is "twenty-three billion, twenty-one million, two hundred thousand, three hundred twenty-two".