101161565423 has 24 divisors (see below), whose sum is σ = 113319123120. Its totient is φ = 89982224640.

The previous prime is 101161565399. The next prime is 101161565443. The reversal of 101161565423 is 324565161101.

It is not a de Polignac number, because 101161565423 - 2⁶ = 101161565359 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 (101161565443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2551733 + ... + 2591073.

It is an arithmetic number, because the mean of its divisors is an integer number (4721630130).

Almost surely, 2^101161565423 is an apocalyptic number.

101161565423 is a deficient number, since it is larger than the sum of its proper divisors (12157557697).

101161565423 is a wasteful number, since it uses less digits than its factorization.

101161565423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39815 (or 39796 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 101161565423 in words is "one hundred one billion, one hundred sixty-one million, five hundred sixty-five thousand, four hundred twenty-three".