101640702343 has 2 divisors, whose sum is σ = 101640702344. Its totient is φ = 101640702342.

The previous prime is 101640702341. The next prime is 101640702349. The reversal of 101640702343 is 343207046101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101640702343 - 2¹ = 101640702341 is a prime.

Together with 101640702341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101640702341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50820351171 + 50820351172.

It is an arithmetic number, because the mean of its divisors is an integer number (50820351172).

Almost surely, 2^101640702343 is an apocalyptic number.

101640702343 is a deficient number, since it is larger than the sum of its proper divisors (1).

101640702343 is an equidigital number, since it uses as much as digits as its factorization.

101640702343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 101640702343 its reverse (343207046101), we get a palindrome (444847748444).

The spelling of 101640702343 in words is "one hundred one billion, six hundred forty million, seven hundred two thousand, three hundred forty-three".