243203141400 has 48 divisors (see below), whose sum is σ = 753929740200. Its totient is φ = 64854170880.

The previous prime is 243203141399. The next prime is 243203141413. The reversal of 243203141400 is 4141302342.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202668685 + ... + 202669884.

Almost surely, 2^243203141400 is an apocalyptic number.

243203141400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243203141400 is an abundant number, since it is smaller than the sum of its proper divisors (510726598800).

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

243203141400 is a wasteful number, since it uses less digits than its factorization.

243203141400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405338588 (or 405338579 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 243203141400 its reverse (4141302342), we get a palindrome (247344443742).

The spelling of 243203141400 in words is "two hundred forty-three billion, two hundred three million, one hundred forty-one thousand, four hundred".