180023484 has 48 divisors (see below), whose sum is σ = 439729920. Its totient is φ = 57214080.

The previous prime is 180023483. The next prime is 180023521. The reversal of 180023484 is 484320081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180023483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103744 + ... + 105464.

It is an arithmetic number, because the mean of its divisors is an integer number (9161040).

Almost surely, 2^180023484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180023484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219864960).

180023484 is an abundant number, since it is smaller than the sum of its proper divisors (259706436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180023484 is a wasteful number, since it uses less digits than its factorization.

180023484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 2128 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 180023484 is about 13417.2830334610. The cubic root of 180023484 is about 564.6461710276.

The spelling of 180023484 in words is "one hundred eighty million, twenty-three thousand, four hundred eighty-four".