23101563516 has 192 divisors, whose sum is σ = 59996160000. Its totient is φ = 6892404480.

The previous prime is 23101563493. The next prime is 23101563533. The reversal of 23101563516 is 61536510132.

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 63 ways as a sum of consecutive naturals, for example, 38566585 + ... + 38567183.

It is an arithmetic number, because the mean of its divisors is an integer number (312480000).

Almost surely, 2^23101563516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23101563516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29998080000).

23101563516 is an abundant number, since it is smaller than the sum of its proper divisors (36894596484).

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

23101563516 is a wasteful number, since it uses less digits than its factorization.

23101563516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 23101563516 in words is "twenty-three billion, one hundred one million, five hundred sixty-three thousand, five hundred sixteen".