23311241402144 has 48 divisors (see below), whose sum is σ = 46398459216312. Its totient is φ = 11528203911168.

The previous prime is 23311241402041. The next prime is 23311241402159. The reversal of 23311241402144 is 44120414211332.

It can be written as a sum of positive squares in 4 ways, for example, as 23021379763600 + 289861638544 = 4798060^2 + 538388^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 23311241402144.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9840479 + ... + 11977374.

Almost surely, 2^{23311241402144} is an apocalyptic number.

It is an amenable number.

23311241402144 is a deficient number, since it is larger than the sum of its proper divisors (23087217814168).

23311241402144 is a wasteful number, since it uses less digits than its factorization.

23311241402144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21818229 (or 21818221 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 23311241402144 its reverse (44120414211332), we get a palindrome (67431655613476).

The spelling of 23311241402144 in words is "twenty-three trillion, three hundred eleven billion, two hundred forty-one million, four hundred two thousand, one hundred forty-four".