23129530006488 has 64 divisors (see below), whose sum is σ = 60868677648000. Its totient is φ = 7303882897152.

The previous prime is 23129530006399. The next prime is 23129530006501. The reversal of 23129530006488 is 88460003592132.

It is a happy number.

It is a Cunningham number, because it is equal to 4809317²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 23129530006488.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18636108 + ... + 19838436.

It is an arithmetic number, because the mean of its divisors is an integer number (951073088250).

Almost surely, 2^{23129530006488} is an apocalyptic number.

It is an amenable number.

23129530006488 is an abundant number, since it is smaller than the sum of its proper divisors (37739147641512).

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

23129530006488 is a wasteful number, since it uses less digits than its factorization.

23129530006488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244544 (or 1244540 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 23129530006488 in words is "twenty-three trillion, one hundred twenty-nine billion, five hundred thirty million, six thousand, four hundred eighty-eight".