22002232323 has 4 divisors (see below), whose sum is σ = 29336309768. Its totient is φ = 14668154880.

The previous prime is 22002232319. The next prime is 22002232363. The reversal of 22002232323 is 32323220022.

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

It is not a de Polignac number, because 22002232323 - 2² = 22002232319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22002232323.

It is not an unprimeable number, because it can be changed into a prime (22002232363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3667038718 + ... + 3667038723.

It is an arithmetic number, because the mean of its divisors is an integer number (7334077442).

Almost surely, 2^22002232323 is an apocalyptic number.

22002232323 is a deficient number, since it is larger than the sum of its proper divisors (7334077445).

22002232323 is an equidigital number, since it uses as much as digits as its factorization.

22002232323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7334077444.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 22002232323 its reverse (32323220022), we get a palindrome (54325452345).

The spelling of 22002232323 in words is "twenty-two billion, two million, two hundred thirty-two thousand, three hundred twenty-three".