134431023347 has 2 divisors, whose sum is σ = 134431023348. Its totient is φ = 134431023346.

The previous prime is 134431023271. The next prime is 134431023373. The reversal of 134431023347 is 743320134431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134431023347 is a prime.

It is not a weakly prime, because it can be changed into another prime (134431023647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67215511673 + 67215511674.

It is an arithmetic number, because the mean of its divisors is an integer number (67215511674).

Almost surely, 2^134431023347 is an apocalyptic number.

134431023347 is a deficient number, since it is larger than the sum of its proper divisors (1).

134431023347 is an equidigital number, since it uses as much as digits as its factorization.

134431023347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 35.

Adding to 134431023347 its reverse (743320134431), we get a palindrome (877751157778).

The spelling of 134431023347 in words is "one hundred thirty-four billion, four hundred thirty-one million, twenty-three thousand, three hundred forty-seven".