13023510518 has 96 divisors (see below), whose sum is σ = 22776681600. Its totient is φ = 5548815360.

The previous prime is 13023510517. The next prime is 13023510523. The reversal of 13023510518 is 81501532031.

It is a happy number.

It is a super-2 number, since 2×13023510518² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023510517) 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 47 ways as a sum of consecutive naturals, for example, 72756953 + ... + 72757131.

It is an arithmetic number, because the mean of its divisors is an integer number (237257100).

Almost surely, 2^13023510518 is an apocalyptic number.

13023510518 is a deficient number, since it is larger than the sum of its proper divisors (9753171082).

13023510518 is a wasteful number, since it uses less digits than its factorization.

13023510518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 13023510518 in words is "thirteen billion, twenty-three million, five hundred ten thousand, five hundred eighteen".