23537638634 has 16 divisors (see below), whose sum is σ = 37955433600. Its totient is φ = 10912185504.

The previous prime is 23537638601. The next prime is 23537638637. The reversal of 23537638634 is 43683673532.

It is not an unprimeable number, because it can be changed into a prime (23537638637) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6587699 + ... + 6591270.

It is an arithmetic number, because the mean of its divisors is an integer number (2372214600).

Almost surely, 2^23537638634 is an apocalyptic number.

23537638634 is a deficient number, since it is larger than the sum of its proper divisors (14417794966).

23537638634 is a wasteful number, since it uses less digits than its factorization.

23537638634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13179037.

The product of its digits is 6531840, while the sum is 50.

The spelling of 23537638634 in words is "twenty-three billion, five hundred thirty-seven million, six hundred thirty-eight thousand, six hundred thirty-four".