Search a number
-
+
423330143 = 2574993301
BaseRepresentation
bin11001001110111…
…000000101011111
31002111120101210012
4121032320011133
51331333031033
6110001233435
713330150445
oct3116700537
91074511705
10423330143
111a7a60225
12b993287b
136991c712
1440318b95
1527271248
hex193b815f

423330143 has 8 divisors (see below), whose sum is σ = 425958000. Its totient is φ = 420710400.

The previous prime is 423330121. The next prime is 423330151. The reversal of 423330143 is 341033324.

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 423330143 - 210 = 423329119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423330163) 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, 126593 + ... + 129893.

It is an arithmetic number, because the mean of its divisors is an integer number (53244750).

Almost surely, 2423330143 is an apocalyptic number.

423330143 is a deficient number, since it is larger than the sum of its proper divisors (2627857).

423330143 is a wasteful number, since it uses less digits than its factorization.

423330143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 423330143 is about 20574.9882867524. The cubic root of 423330143 is about 750.8613174274.

Adding to 423330143 its reverse (341033324), we get a palindrome (764363467).

The spelling of 423330143 in words is "four hundred twenty-three million, three hundred thirty thousand, one hundred forty-three".

Divisors: 1 257 499 3301 128243 848357 1647199 423330143