Search a number
-
+
423030023 = 13171914163
BaseRepresentation
bin11001001101101…
…110110100000111
31002111000011002122
4121031232310013
51331243430043
6105551000155
713324460453
oct3115566407
91074004078
10423030023
111a7875799
12b980905b
1369845c30
144027b663
1527212368
hex1936ed07

423030023 has 8 divisors (see below), whose sum is σ = 482369328. Its totient is φ = 367519104.

The previous prime is 423030017. The next prime is 423030031. The reversal of 423030023 is 320030324.

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 423030023 - 28 = 423029767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423029983 and 423030010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423030043) 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, 956861 + ... + 957302.

It is an arithmetic number, because the mean of its divisors is an integer number (60296166).

Almost surely, 2423030023 is an apocalyptic number.

423030023 is a deficient number, since it is larger than the sum of its proper divisors (59339305).

423030023 is a wasteful number, since it uses less digits than its factorization.

423030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914193.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 423030023 is about 20567.6936723591. The cubic root of 423030023 is about 750.6838343786.

Adding to 423030023 its reverse (320030324), we get a palindrome (743060347).

The spelling of 423030023 in words is "four hundred twenty-three million, thirty thousand, twenty-three".

Divisors: 1 13 17 221 1914163 24884119 32540771 423030023