353140704243 has 6 divisors (see below), whose sum is σ = 510092128364. Its totient is φ = 235427136156.

The previous prime is 353140704239. The next prime is 353140704247. The reversal of 353140704243 is 342407041353.

353140704243 is a `hidden beast` number, since 3 + 5 + 3 + 1 + 407 + 0 + 4 + 243 = 666.

It is an interprime number because it is at equal distance from previous prime (353140704239) and next prime (353140704247).

It is not a de Polignac number, because 353140704243 - 2² = 353140704239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 353140704198 and 353140704207.

It is not an unprimeable number, because it can be changed into a prime (353140704247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19618928005 + ... + 19618928022.

Almost surely, 2^353140704243 is an apocalyptic number.

353140704243 is a deficient number, since it is larger than the sum of its proper divisors (156951424121).

353140704243 is a wasteful number, since it uses less digits than its factorization.

353140704243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39237856033 (or 39237856030 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

Adding to 353140704243 its reverse (342407041353), we get a palindrome (695547745596).

The spelling of 353140704243 in words is "three hundred fifty-three billion, one hundred forty million, seven hundred four thousand, two hundred forty-three".