23411321440 has 192 divisors, whose sum is σ = 61302189312. Its totient is φ = 8393932800.

The previous prime is 23411321407. The next prime is 23411321441. The reversal of 23411321440 is 4412311432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23411321441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23110374 + ... + 23111386.

It is an arithmetic number, because the mean of its divisors is an integer number (319282236).

Almost surely, 2^23411321440 is an apocalyptic number.

23411321440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23411321440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30651094656).

23411321440 is an abundant number, since it is smaller than the sum of its proper divisors (37890867872).

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

23411321440 is a wasteful number, since it uses less digits than its factorization.

23411321440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1345 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 23411321440 its reverse (4412311432), we get a palindrome (27823632872).

The spelling of 23411321440 in words is "twenty-three billion, four hundred eleven million, three hundred twenty-one thousand, four hundred forty".