23804553178081 has 27 divisors (see below), whose sum is σ = 27205967798649. Its totient is φ = 20815883330112.

The previous prime is 23804553178067. The next prime is 23804553178117. The reversal of 23804553178081 is 18087135540832.

It is a happy number.

The square root of 23804553178081 is 4878991.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7929906688081 + 15874646490000 = 2816009^2 + 3984300^2 .

It is not a de Polignac number, because 23804553178081 - 2⁹ = 23804553177569 is a prime.

It is a super-2 number, since 2×23804553178081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23804553178381) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1205100901 + ... + 1205120653.

It is an arithmetic number, because the mean of its divisors is an integer number (1007628436987).

Almost surely, 2^{23804553178081} is an apocalyptic number.

23804553178081 is the 4878991-st square number.

23804553178081 is the 2439496-th centered octagonal number.

It is an amenable number.

23804553178081 is a deficient number, since it is larger than the sum of its proper divisors (3401414620568).

23804553178081 is an frugal number, since it uses more digits than its factorization.

23804553178081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39570 (or 19785 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 23804553178081 in words is "twenty-three trillion, eight hundred four billion, five hundred fifty-three million, one hundred seventy-eight thousand, eighty-one".