23144134443340 has 48 divisors (see below), whose sum is σ = 49307922720000. Its totient is φ = 9123525365760.

The previous prime is 23144134443301. The next prime is 23144134443341. The reversal of 23144134443340 is 4334443144132.

It is a junction number, because it is equal to n+sod(n) for n = 23144134443293 and 23144134443302.

It is not an unprimeable number, because it can be changed into a prime (23144134443341) 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, 4522396 + ... + 8169475.

It is an arithmetic number, because the mean of its divisors is an integer number (1027248390000).

Almost surely, 2^{23144134443340} is an apocalyptic number.

23144134443340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23144134443340 is an abundant number, since it is smaller than the sum of its proper divisors (26163788276660).

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

23144134443340 is a wasteful number, since it uses less digits than its factorization.

23144134443340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12693202 (or 12693200 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 23144134443340 its reverse (4334443144132), we get a palindrome (27478577587472).

The spelling of 23144134443340 in words is "twenty-three trillion, one hundred forty-four billion, one hundred thirty-four million, four hundred forty-three thousand, three hundred forty".