168353743 has 2 divisors, whose sum is σ = 168353744. Its totient is φ = 168353742.

The previous prime is 168353723. The next prime is 168353789. The reversal of 168353743 is 347353861.

It is a weak prime.

It is an emirp because it is prime and its reverse (347353861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168353743 - 2⁹ = 168353231 is a prime.

It is a super-2 number, since 2×168353743² = 56685965564220098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 168353696 and 168353705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168353723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84176871 + 84176872.

It is an arithmetic number, because the mean of its divisors is an integer number (84176872).

Almost surely, 2^168353743 is an apocalyptic number.

168353743 is a deficient number, since it is larger than the sum of its proper divisors (1).

168353743 is an equidigital number, since it uses as much as digits as its factorization.

168353743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 168353743 is about 12975.1201535862. The cubic root of 168353743 is about 552.1718455635.

The spelling of 168353743 in words is "one hundred sixty-eight million, three hundred fifty-three thousand, seven hundred forty-three".