3161523705223 has 32 divisors (see below), whose sum is σ = 3572968734720. Its totient is φ = 2775596736000.

The previous prime is 3161523705161. The next prime is 3161523705281. The reversal of 3161523705223 is 3225073251613.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3161523705223 - 2⁹ = 3161523704711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161523705283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44468538 + ... + 44539576.

It is an arithmetic number, because the mean of its divisors is an integer number (111655272960).

Almost surely, 2^{3161523705223} is an apocalyptic number.

3161523705223 is a deficient number, since it is larger than the sum of its proper divisors (411445029497).

3161523705223 is a wasteful number, since it uses less digits than its factorization.

3161523705223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71919.

The product of its (nonzero) digits is 226800, while the sum is 40.

Adding to 3161523705223 its reverse (3225073251613), we get a palindrome (6386596956836).

The spelling of 3161523705223 in words is "three trillion, one hundred sixty-one billion, five hundred twenty-three million, seven hundred five thousand, two hundred twenty-three".