23104851840 has 384 divisors, whose sum is σ = 91423987200. Its totient is φ = 5267091456.

The previous prime is 23104851839. The next prime is 23104851859. The reversal of 23104851840 is 4815840132.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23104851795 and 23104851804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27538141 + ... + 27538979.

It is an arithmetic number, because the mean of its divisors is an integer number (238083300).

Almost surely, 2^23104851840 is an apocalyptic number.

23104851840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23104851840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45711993600).

23104851840 is an abundant number, since it is smaller than the sum of its proper divisors (68319135360).

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

23104851840 is a wasteful number, since it uses less digits than its factorization.

23104851840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

It can be divided in two parts, 2310485 and 1840, that added together give a triangular number (2312325 = T₂₁₅₀).

The spelling of 23104851840 in words is "twenty-three billion, one hundred four million, eight hundred fifty-one thousand, eight hundred forty".