23443540055240 has 32 divisors (see below), whose sum is σ = 52817645463480. Its totient is φ = 9365028406272.

The previous prime is 23443540055191. The next prime is 23443540055251. The reversal of 23443540055240 is 4255004534432.

It can be written as a sum of positive squares in 4 ways, for example, as 22944502361764 + 499037693476 = 4790042^2 + 706426^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387082337 + ... + 387142896.

Almost surely, 2^{23443540055240} is an apocalyptic number.

23443540055240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23443540055240 is an abundant number, since it is smaller than the sum of its proper divisors (29374105408240).

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

23443540055240 is a wasteful number, since it uses less digits than its factorization.

23443540055240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774226001 (or 774225997 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 23443540055240 its reverse (4255004534432), we get a palindrome (27698544589672).

The spelling of 23443540055240 in words is "twenty-three trillion, four hundred forty-three billion, five hundred forty million, fifty-five thousand, two hundred forty".