243234541400 has 48 divisors (see below), whose sum is σ = 598786217640. Its totient is φ = 91570649600.

The previous prime is 243234541339. The next prime is 243234541409. The reversal of 243234541400 is 4145432342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243234541409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35766386 + ... + 35773185.

Almost surely, 2^243234541400 is an apocalyptic number.

243234541400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243234541400 is an abundant number, since it is smaller than the sum of its proper divisors (355551676240).

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

243234541400 is a wasteful number, since it uses less digits than its factorization.

243234541400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71539604 (or 71539595 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 243234541400 its reverse (4145432342), we get a palindrome (247379973742).

The spelling of 243234541400 in words is "two hundred forty-three billion, two hundred thirty-four million, five hundred forty-one thousand, four hundred".