23524566513 has 32 divisors (see below), whose sum is σ = 36006799104. Its totient is φ = 13382787072.

The previous prime is 23524566449. The next prime is 23524566551. The reversal of 23524566513 is 31566542532.

It is a happy number.

It is not a de Polignac number, because 23524566513 - 2⁶ = 23524566449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23524566563) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6502081 + ... + 6505697.

It is an arithmetic number, because the mean of its divisors is an integer number (1125212472).

Almost surely, 2^23524566513 is an apocalyptic number.

It is an amenable number.

23524566513 is a deficient number, since it is larger than the sum of its proper divisors (12482232591).

23524566513 is a wasteful number, since it uses less digits than its factorization.

23524566513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921.

The product of its digits is 648000, while the sum is 42.

The spelling of 23524566513 in words is "twenty-three billion, five hundred twenty-four million, five hundred sixty-six thousand, five hundred thirteen".