30323043400 has 96 divisors (see below), whose sum is σ = 75978965160. Its totient is φ = 11188131840.

The previous prime is 30323043397. The next prime is 30323043427. The reversal of 30323043400 is 434032303.

It can be written as a sum of positive squares in 12 ways, for example, as 8754596356 + 21568447044 = 93566^2 + 146862^2 .

It is a super-2 number, since 2×30323043400² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4554474 + ... + 4561126.

Almost surely, 2^30323043400 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 30323043400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37989482580).

30323043400 is an abundant number, since it is smaller than the sum of its proper divisors (45655921760).

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

30323043400 is a wasteful number, since it uses less digits than its factorization.

30323043400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435 (or 8426 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 30323043400 its reverse (434032303), we get a palindrome (30757075703).

The spelling of 30323043400 in words is "thirty billion, three hundred twenty-three million, forty-three thousand, four hundred".