22012032323 has 4 divisors (see below), whose sum is σ = 23170560360. Its totient is φ = 20853504288.

The previous prime is 22012032319. The next prime is 22012032331. The reversal of 22012032323 is 32323021022.

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

It is a cyclic number.

It is not a de Polignac number, because 22012032323 - 2² = 22012032319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22012032295 and 22012032304.

It is not an unprimeable number, because it can be changed into a prime (22012032373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579263990 + ... + 579264027.

It is an arithmetic number, because the mean of its divisors is an integer number (5792640090).

Almost surely, 2^22012032323 is an apocalyptic number.

22012032323 is a deficient number, since it is larger than the sum of its proper divisors (1158528037).

22012032323 is a wasteful number, since it uses less digits than its factorization.

22012032323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158528036.

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

Adding to 22012032323 its reverse (32323021022), we get a palindrome (54335053345).

The spelling of 22012032323 in words is "twenty-two billion, twelve million, thirty-two thousand, three hundred twenty-three".