243404300133 has 16 divisors (see below), whose sum is σ = 361258215360. Its totient is φ = 161972869968.

The previous prime is 243404300129. The next prime is 243404300137. The reversal of 243404300133 is 331003404342.

243404300133 is a `hidden beast` number, since 2 + 4 + 340 + 4 + 300 + 13 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (243404300129) and next prime (243404300137).

It is not a de Polignac number, because 243404300133 - 2² = 243404300129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 243404300097 and 243404300106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243404300137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8225610 + ... + 8255147.

It is an arithmetic number, because the mean of its divisors is an integer number (22578638460).

Almost surely, 2^243404300133 is an apocalyptic number.

It is an amenable number.

243404300133 is a deficient number, since it is larger than the sum of its proper divisors (117853915227).

243404300133 is a wasteful number, since it uses less digits than its factorization.

243404300133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16481313 (or 16481307 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 243404300133 its reverse (331003404342), we get a palindrome (574407704475).

The spelling of 243404300133 in words is "two hundred forty-three billion, four hundred four million, three hundred thousand, one hundred thirty-three".