23663187201485 has 32 divisors (see below), whose sum is σ = 31636433939040. Its totient is φ = 16870814650368.

The previous prime is 23663187201463. The next prime is 23663187201509. The reversal of 23663187201485 is 58410278136632.

It can be written as a sum of positive squares in 16 ways, for example, as 4444178366884 + 19219008834601 = 2108122^2 + 4383949^2 .

It is a cyclic number.

It is not a de Polignac number, because 23663187201485 - 2¹⁸ = 23663186939341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23663187201485.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33080369 + ... + 33788121.

It is an arithmetic number, because the mean of its divisors is an integer number (988638560595).

Almost surely, 2^{23663187201485} is an apocalyptic number.

It is an amenable number.

23663187201485 is a deficient number, since it is larger than the sum of its proper divisors (7973246737555).

23663187201485 is a wasteful number, since it uses less digits than its factorization.

23663187201485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725537.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 23663187201485 in words is "twenty-three trillion, six hundred sixty-three billion, one hundred eighty-seven million, two hundred one thousand, four hundred eighty-five".