180165980423 has 8 divisors (see below), whose sum is σ = 211663529616. Its totient is φ = 151188235200.

The previous prime is 180165980359. The next prime is 180165980441. The reversal of 180165980423 is 324089561081.

It is a happy number.

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 180165980423 - 2⁶ = 180165980359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180165980123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629950838 + ... + 629951123.

It is an arithmetic number, because the mean of its divisors is an integer number (26457941202).

Almost surely, 2^180165980423 is an apocalyptic number.

180165980423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

180165980423 is a deficient number, since it is larger than the sum of its proper divisors (31497549193).

180165980423 is a wasteful number, since it uses less digits than its factorization.

180165980423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259901985.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 180165980423 in words is "one hundred eighty billion, one hundred sixty-five million, nine hundred eighty thousand, four hundred twenty-three".