2320543400 has 96 divisors (see below), whose sum is σ = 6188859840. Its totient is φ = 792668160.

The previous prime is 2320543399. The next prime is 2320543427. The reversal of 2320543400 is 43450232.

It is a super-3 number, since 3×2320543400³ (a number of 29 digits) contains 333 as substring.

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, 393272 + ... + 399128.

It is an arithmetic number, because the mean of its divisors is an integer number (64467290).

Almost surely, 2^2320543400 is an apocalyptic number.

2320543400 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 2320543400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3094429920).

2320543400 is an abundant number, since it is smaller than the sum of its proper divisors (3868316440).

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

2320543400 is a wasteful number, since it uses less digits than its factorization.

2320543400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6163 (or 6154 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 2320543400 is about 48172.0188491203. The cubic root of 2320543400 is about 1323.9245384957.

Adding to 2320543400 its reverse (43450232), we get a palindrome (2363993632).

The spelling of 2320543400 in words is "two billion, three hundred twenty million, five hundred forty-three thousand, four hundred".