23683474365489 has 9 divisors (see below), whose sum is σ = 34209484060843. Its totient is φ = 15788973177192.

The previous prime is 23683474365449. The next prime is 23683474365569. The reversal of 23683474365489 is 98456347438632.

The square root of 23683474365489 is 4866567.

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

23683474365489 is a `hidden beast` number, since 2 + 3 + 6 + 8 + 3 + 4 + 74 + 3 + 6 + 548 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22706816537889 + 976657827600 = 4765167^2 + 988260^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 23683474365489 - 2⁷ = 23683474365361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23683474365449) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13788607 + ... + 15410795.

Almost surely, 2^{23683474365489} is an apocalyptic number.

23683474365489 is the 4866567-th square number.

23683474365489 is the 2433284-th centered octagonal number.

It is an amenable number.

23683474365489 is a deficient number, since it is larger than the sum of its proper divisors (10526009695354).

23683474365489 is an frugal number, since it uses more digits than its factorization.

23683474365489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244384 (or 1622192 counting only the distinct ones).

The product of its digits is 2508226560, while the sum is 72.

The spelling of 23683474365489 in words is "twenty-three trillion, six hundred eighty-three billion, four hundred seventy-four million, three hundred sixty-five thousand, four hundred eighty-nine".