180023340 has 96 divisors (see below), whose sum is σ = 584285184. Its totient is φ = 40561920.

The previous prime is 180023321. The next prime is 180023341. The reversal of 180023340 is 43320081.

It is a happy number.

180023340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (180023341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26802 + ... + 32838.

It is an arithmetic number, because the mean of its divisors is an integer number (6086304).

Almost surely, 2^180023340 is an apocalyptic number.

180023340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180023340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292142592).

180023340 is an abundant number, since it is smaller than the sum of its proper divisors (404261844).

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

180023340 is a wasteful number, since it uses less digits than its factorization.

180023340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127 (or 6125 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 180023340 is about 13417.2776672468. The cubic root of 180023340 is about 564.6460204749.

The spelling of 180023340 in words is "one hundred eighty million, twenty-three thousand, three hundred forty".