105320230400 has 240 divisors, whose sum is σ = 325329713280. Its totient is φ = 32826777600.

The previous prime is 105320230363. The next prime is 105320230439. The reversal of 105320230400 is 4032023501.

It is a happy number.

It is a super-2 number, since 2×105320230400² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 932171 + ... + 1039029.

It is an arithmetic number, because the mean of its divisors is an integer number (1355540472).

Almost surely, 2^105320230400 is an apocalyptic number.

105320230400 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 105320230400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162664856640).

105320230400 is an abundant number, since it is smaller than the sum of its proper divisors (220009482880).

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

105320230400 is a wasteful number, since it uses less digits than its factorization.

105320230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106905 (or 106884 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 105320230400 its reverse (4032023501), we get a palindrome (109352253901).

The spelling of 105320230400 in words is "one hundred five billion, three hundred twenty million, two hundred thirty thousand, four hundred".