161222200112323 has 8 divisors (see below), whose sum is σ = 184254050147840. Its totient is φ = 138190376867400.

The previous prime is 161222200112293. The next prime is 161222200112387. The reversal of 161222200112323 is 323211002222161.

It is a happy number.

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 161222200112323 - 2⁵ = 161222200112291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161222200112291 and 161222200112300.

It is not an unprimeable number, because it can be changed into a prime (161222200118323) 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, 8495398 + ... + 19864948.

It is an arithmetic number, because the mean of its divisors is an integer number (23031756268480).

Almost surely, 2^{161222200112323} is an apocalyptic number.

161222200112323 is a deficient number, since it is larger than the sum of its proper divisors (23031850035517).

161222200112323 is a wasteful number, since it uses less digits than its factorization.

161222200112323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13395297.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 161222200112323 its reverse (323211002222161), we get a palindrome (484433202334484).

The spelling of 161222200112323 in words is "one hundred sixty-one trillion, two hundred twenty-two billion, two hundred million, one hundred twelve thousand, three hundred twenty-three".