243130504353 has 32 divisors (see below), whose sum is σ = 359546070912. Its totient is φ = 144894182400.

The previous prime is 243130504349. The next prime is 243130504369. The reversal of 243130504353 is 353405031342.

It is not a de Polignac number, because 243130504353 - 2² = 243130504349 is a prime.

It is a super-2 number, since 2×243130504353² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (243130504303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7788825 + ... + 7819977.

It is an arithmetic number, because the mean of its divisors is an integer number (11235814716).

Almost surely, 2^243130504353 is an apocalyptic number.

It is an amenable number.

243130504353 is a deficient number, since it is larger than the sum of its proper divisors (116415566559).

243130504353 is a wasteful number, since it uses less digits than its factorization.

243130504353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35105.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 243130504353 its reverse (353405031342), we get a palindrome (596535535695).

The spelling of 243130504353 in words is "two hundred forty-three billion, one hundred thirty million, five hundred four thousand, three hundred fifty-three".