23111342400344 has 128 divisors (see below), whose sum is σ = 52464470446080. Its totient is φ = 9414914150400.

The previous prime is 23111342400283. The next prime is 23111342400353. The reversal of 23111342400344 is 44300424311132.

It is a self number, because there is not a number n which added to its sum of digits gives 23111342400344.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 6166964 + ... + 9179004.

It is an arithmetic number, because the mean of its divisors is an integer number (409878675360).

Almost surely, 2^{23111342400344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23111342400344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26232235223040).

23111342400344 is an abundant number, since it is smaller than the sum of its proper divisors (29353128045736).

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

23111342400344 is a wasteful number, since it uses less digits than its factorization.

23111342400344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012321 (or 3012317 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 23111342400344 its reverse (44300424311132), we get a palindrome (67411766711476).

The spelling of 23111342400344 in words is "twenty-three trillion, one hundred eleven billion, three hundred forty-two million, four hundred thousand, three hundred forty-four".