23443424024440 has 32 divisors (see below), whose sum is σ = 60283090349280. Its totient is φ = 8037745379712.

The previous prime is 23443424024417. The next prime is 23443424024477. The reversal of 23443424024440 is 4442042434432.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 23443424024393 and 23443424024402.

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 7 ways as a sum of consecutive naturals, for example, 41863256907 + ... + 41863257466.

It is an arithmetic number, because the mean of its divisors is an integer number (1883846573415).

Almost surely, 2^{23443424024440} is an apocalyptic number.

23443424024440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23443424024440 is an abundant number, since it is smaller than the sum of its proper divisors (36839666324840).

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

23443424024440 is a wasteful number, since it uses less digits than its factorization.

23443424024440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83726514391 (or 83726514387 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 40.

Adding to 23443424024440 its reverse (4442042434432), we get a palindrome (27885466458872).

The spelling of 23443424024440 in words is "twenty-three trillion, four hundred forty-three billion, four hundred twenty-four million, twenty-four thousand, four hundred forty".