162043406723 has 8 divisors (see below), whose sum is σ = 177343036416. Its totient is φ = 146838512200.

The previous prime is 162043406711. The next prime is 162043406797. The reversal of 162043406723 is 327604340261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162043406723 - 2⁶ = 162043406659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162043400723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23680211 + ... + 23687052.

It is an arithmetic number, because the mean of its divisors is an integer number (22167879552).

Almost surely, 2^162043406723 is an apocalyptic number.

162043406723 is a deficient number, since it is larger than the sum of its proper divisors (15299629693).

162043406723 is a wasteful number, since it uses less digits than its factorization.

162043406723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47367585.

The product of its (nonzero) digits is 145152, while the sum is 38.

Adding to 162043406723 its reverse (327604340261), we get a palindrome (489647746984).

The spelling of 162043406723 in words is "one hundred sixty-two billion, forty-three million, four hundred six thousand, seven hundred twenty-three".