23515440005252 has 24 divisors (see below), whose sum is σ = 44393058466176. Its totient is φ = 10834790584608.

The previous prime is 23515440005143. The next prime is 23515440005287. The reversal of 23515440005252 is 25250004451532.

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, 385165388 + ... + 385226435.

It is an arithmetic number, because the mean of its divisors is an integer number (1849710769424).

Almost surely, 2^{23515440005252} is an apocalyptic number.

It is an amenable number.

23515440005252 is a deficient number, since it is larger than the sum of its proper divisors (20877618460924).

23515440005252 is a wasteful number, since it uses less digits than its factorization.

23515440005252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770392427 (or 770392425 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 23515440005252 its reverse (25250004451532), we get a palindrome (48765444456784).

The spelling of 23515440005252 in words is "twenty-three trillion, five hundred fifteen billion, four hundred forty million, five thousand, two hundred fifty-two".