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423001313 = 71979127317
BaseRepresentation
bin11001001101100…
…111110011100001
31002110221200201022
4121031213303201
51331242020223
6105550215225
713324310660
oct3115476341
91073850638
10423001313
111a7856169
12b97b4515
1369835b47
1440270dd7
1527208ac8
hex19367ce1

423001313 has 32 divisors (see below), whose sum is σ = 521011200. Its totient is φ = 335409984.

The previous prime is 423001309. The next prime is 423001331. The reversal of 423001313 is 313100324.

It is a happy number.

It is not a de Polignac number, because 423001313 - 22 = 423001309 is a prime.

It is a super-2 number, since 2×4230013132 = 357860221599447938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 423001291 and 423001300.

It is not an unprimeable number, because it can be changed into a prime (423001333) 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, 1334231 + ... + 1334547.

It is an arithmetic number, because the mean of its divisors is an integer number (16281600).

Almost surely, 2423001313 is an apocalyptic number.

It is an amenable number.

423001313 is a deficient number, since it is larger than the sum of its proper divisors (98009887).

423001313 is a wasteful number, since it uses less digits than its factorization.

423001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 423001313 is about 20566.9957213007. The cubic root of 423001313 is about 750.6668516435. Note that the first 3 decimals are identical.

Adding to 423001313 its reverse (313100324), we get a palindrome (736101637).

The spelling of 423001313 in words is "four hundred twenty-three million, one thousand, three hundred thirteen".

Divisors: 1 7 19 79 127 133 317 553 889 1501 2219 2413 6023 10033 10507 16891 25043 40259 42161 70231 175301 190627 281813 475817 764921 1334389 3180461 3330719 5354447 22263227 60428759 423001313