23161709852 has 12 divisors (see below), whose sum is σ = 40534307856. Its totient is φ = 11580479040.

The previous prime is 23161709843. The next prime is 23161709869. The reversal of 23161709852 is 25890716132.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80777 + ... + 229887.

It is an arithmetic number, because the mean of its divisors is an integer number (3377858988).

Almost surely, 2^23161709852 is an apocalyptic number.

It is an amenable number.

23161709852 is a deficient number, since it is larger than the sum of its proper divisors (17372598004).

23161709852 is a wasteful number, since it uses less digits than its factorization.

23161709852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187948 (or 187946 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 23161709852 in words is "twenty-three billion, one hundred sixty-one million, seven hundred nine thousand, eight hundred fifty-two".