23955361792128 has 144 divisors (see below), whose sum is σ = 74644562440890. Its totient is φ = 7370880491520.

The previous prime is 23955361792123. The next prime is 23955361792183. The reversal of 23955361792128 is 82129716355932.

23955361792128 is a `hidden beast` number, since 2 + 3 + 9 + 5 + 5 + 3 + 617 + 9 + 2 + 1 + 2 + 8 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 4622878407744 + 19332483384384 = 2150088^2 + 4396872^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (23955361792123) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 61327753 + ... + 61717128.

Almost surely, 2^{23955361792128} is an apocalyptic number.

It is an amenable number.

23955361792128 is an abundant number, since it is smaller than the sum of its proper divisors (50689200648762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23955361792128 is a wasteful number, since it uses less digits than its factorization.

23955361792128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123044927 (or 123044899 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The spelling of 23955361792128 in words is "twenty-three trillion, nine hundred fifty-five billion, three hundred sixty-one million, seven hundred ninety-two thousand, one hundred twenty-eight".