23152512044240 has 40 divisors (see below), whose sum is σ = 53833282449408. Its totient is φ = 9260369644160.

The previous prime is 23152512044197. The next prime is 23152512044257. The reversal of 23152512044240 is 4244021525132.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 23152512044240.

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 7 ways as a sum of consecutive naturals, for example, 8750012 + ... + 11084571.

Almost surely, 2^{23152512044240} is an apocalyptic number.

23152512044240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23152512044240 is an abundant number, since it is smaller than the sum of its proper divisors (30680770405168).

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

23152512044240 is a wasteful number, since it uses less digits than its factorization.

23152512044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19849187 (or 19849181 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 23152512044240 its reverse (4244021525132), we get a palindrome (27396533569372).

The spelling of 23152512044240 in words is "twenty-three trillion, one hundred fifty-two billion, five hundred twelve million, forty-four thousand, two hundred forty".