23440215122536 has 64 divisors (see below), whose sum is σ = 44986014964800. Its totient is φ = 11447194311168.

The previous prime is 23440215122531. The next prime is 23440215122537. The reversal of 23440215122536 is 63522151204432.

It is not an unprimeable number, because it can be changed into a prime (23440215122531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495614506 + ... + 495661798.

It is an arithmetic number, because the mean of its divisors is an integer number (702906483825).

Almost surely, 2^{23440215122536} is an apocalyptic number.

It is an amenable number.

23440215122536 is a deficient number, since it is larger than the sum of its proper divisors (21545799842264).

23440215122536 is a wasteful number, since it uses less digits than its factorization.

23440215122536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55858 (or 55854 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 23440215122536 its reverse (63522151204432), we get a palindrome (86962366326968).

The spelling of 23440215122536 in words is "twenty-three trillion, four hundred forty billion, two hundred fifteen million, one hundred twenty-two thousand, five hundred thirty-six".