105230455320 has 128 divisors (see below), whose sum is σ = 328328755200. Its totient is φ = 26957339136.

The previous prime is 105230455261. The next prime is 105230455321. The reversal of 105230455320 is 23554032501.

It is a super-2 number, since 2×105230455320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105230455321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200757 + ... + 500763.

It is an arithmetic number, because the mean of its divisors is an integer number (2565068400).

Almost surely, 2^105230455320 is an apocalyptic number.

105230455320 is a gapful number since it is divisible by the number (10) 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 105230455320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164164377600).

105230455320 is an abundant number, since it is smaller than the sum of its proper divisors (223098299880).

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

105230455320 is a wasteful number, since it uses less digits than its factorization.

105230455320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300137 (or 300133 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 105230455320 its reverse (23554032501), we get a palindrome (128784487821).

The spelling of 105230455320 in words is "one hundred five billion, two hundred thirty million, four hundred fifty-five thousand, three hundred twenty".