164320241316023 has 4 divisors (see below), whose sum is σ = 176960259878808. Its totient is φ = 151680222753240.

The previous prime is 164320241315959. The next prime is 164320241316029. The reversal of 164320241316023 is 320613142023461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164320241316023 - 2⁶ = 164320241315959 is a prime.

It is a super-2 number, since 2×164320241316023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164320241316029) 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, 6320009281373 + ... + 6320009281398.

It is an arithmetic number, because the mean of its divisors is an integer number (44240064969702).

Almost surely, 2^{164320241316023} is an apocalyptic number.

164320241316023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164320241316023 is a deficient number, since it is larger than the sum of its proper divisors (12640018562785).

164320241316023 is a wasteful number, since it uses less digits than its factorization.

164320241316023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640018562784.

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 164320241316023 its reverse (320613142023461), we get a palindrome (484933383339484).

The spelling of 164320241316023 in words is "one hundred sixty-four trillion, three hundred twenty billion, two hundred forty-one million, three hundred sixteen thousand, twenty-three".