23038865850 has 864 divisors, whose sum is σ = 82573464960. Its totient is φ = 4151347200.

The previous prime is 23038865849. The next prime is 23038865881. The reversal of 23038865850 is 5856883032.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23038865850.

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 431 ways as a sum of consecutive naturals, for example, 622672032 + ... + 622672068.

It is an arithmetic number, because the mean of its divisors is an integer number (95571140).

Almost surely, 2^23038865850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23038865850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41286732480).

23038865850 is an abundant number, since it is smaller than the sum of its proper divisors (59534599110).

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

23038865850 is a wasteful number, since it uses less digits than its factorization.

23038865850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

It can be divided in two parts, 23038 and 865850, that added together give a palindrome (888888).

The spelling of 23038865850 in words is "twenty-three billion, thirty-eight million, eight hundred sixty-five thousand, eight hundred fifty".