23475202747647 has 64 divisors (see below), whose sum is σ = 36569094144000. Its totient is φ = 13117811224320.

The previous prime is 23475202747627. The next prime is 23475202747679. The reversal of 23475202747647 is 74674720257432.

It is a happy number.

It is not a de Polignac number, because 23475202747647 - 2⁶ = 23475202747583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23475202747627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1540258947 + ... + 1540274187.

It is an arithmetic number, because the mean of its divisors is an integer number (571392096000).

Almost surely, 2^{23475202747647} is an apocalyptic number.

23475202747647 is a deficient number, since it is larger than the sum of its proper divisors (13093891396353).

23475202747647 is a wasteful number, since it uses less digits than its factorization.

23475202747647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21756.

The product of its (nonzero) digits is 110638080, while the sum is 60.

The spelling of 23475202747647 in words is "twenty-three trillion, four hundred seventy-five billion, two hundred two million, seven hundred forty-seven thousand, six hundred forty-seven".