168711423 has 4 divisors (see below), whose sum is σ = 224948568. Its totient is φ = 112474280.

The previous prime is 168711419. The next prime is 168711437. The reversal of 168711423 is 324117861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324117861 = 3 ⋅108039287.

It is a cyclic number.

It is not a de Polignac number, because 168711423 - 2² = 168711419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168711443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28118568 + ... + 28118573.

It is an arithmetic number, because the mean of its divisors is an integer number (56237142).

Almost surely, 2^168711423 is an apocalyptic number.

168711423 is a deficient number, since it is larger than the sum of its proper divisors (56237145).

168711423 is an equidigital number, since it uses as much as digits as its factorization.

168711423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56237144.

The product of its digits is 8064, while the sum is 33.

The square root of 168711423 is about 12988.8961424749. The cubic root of 168711423 is about 552.5626122882.

The spelling of 168711423 in words is "one hundred sixty-eight million, seven hundred eleven thousand, four hundred twenty-three".