23144311453144 has 64 divisors (see below), whose sum is σ = 49886685757440. Its totient is φ = 9860655726720.

The previous prime is 23144311453139. The next prime is 23144311453163. The reversal of 23144311453144 is 44135411344132.

It is a junction number, because it is equal to n+sod(n) for n = 23144311453097 and 23144311453106.

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 15 ways as a sum of consecutive naturals, for example, 99699529 + ... + 99931399.

It is an arithmetic number, because the mean of its divisors is an integer number (779479464960).

Almost surely, 2^{23144311453144} is an apocalyptic number.

It is an amenable number.

23144311453144 is an abundant number, since it is smaller than the sum of its proper divisors (26742374304296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23144311453144 is a wasteful number, since it uses less digits than its factorization.

23144311453144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242360 (or 242356 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

Adding to 23144311453144 its reverse (44135411344132), we get a palindrome (67279722797276).

The spelling of 23144311453144 in words is "twenty-three trillion, one hundred forty-four billion, three hundred eleven million, four hundred fifty-three thousand, one hundred forty-four".