243403031400 has 96 divisors (see below), whose sum is σ = 754739907840. Its totient is φ = 64891087360.

The previous prime is 243403031393. The next prime is 243403031419. The reversal of 243403031400 is 4130304342.

243403031400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2427052 + ... + 2525348.

It is an arithmetic number, because the mean of its divisors is an integer number (7861874040).

Almost surely, 2^243403031400 is an apocalyptic number.

243403031400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243403031400 is an abundant number, since it is smaller than the sum of its proper divisors (511336876440).

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

243403031400 is a wasteful number, since it uses less digits than its factorization.

243403031400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102443 (or 102434 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 243403031400 its reverse (4130304342), we get a palindrome (247533335742).

The spelling of 243403031400 in words is "two hundred forty-three billion, four hundred three million, thirty-one thousand, four hundred".