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423033423 = 31719461947
BaseRepresentation
bin11001001101101…
…111101001001111
31002111000022202120
4121031233221033
51331244032143
6105551024023
713324503411
oct3115575117
91074008676
10423033423
111a78782aa
12b980b013
1369847647
144027c9b1
1527213383
hex1936fa4f

423033423 has 32 divisors (see below), whose sum is σ = 630685440. Its totient is φ = 250652160.

The previous prime is 423033397. The next prime is 423033427. The reversal of 423033423 is 324330324.

It is not a de Polignac number, because 423033423 - 213 = 423025231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423033393 and 423033402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423033427) 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, 446236 + ... + 447182.

It is an arithmetic number, because the mean of its divisors is an integer number (19708920).

Almost surely, 2423033423 is an apocalyptic number.

423033423 is a deficient number, since it is larger than the sum of its proper divisors (207652017).

423033423 is a wasteful number, since it uses less digits than its factorization.

423033423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447.

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 423033423 is about 20567.7763260883. The cubic root of 423033423 is about 750.6858455189.

Adding to 423033423 its reverse (324330324), we get a palindrome (747363747).

The spelling of 423033423 in words is "four hundred twenty-three million, thirty-three thousand, four hundred twenty-three".

Divisors: 1 3 17 19 51 57 323 461 947 969 1383 2841 7837 8759 16099 17993 23511 26277 48297 53979 148903 305881 436567 446709 917643 1309701 7421639 8294773 22264917 24884319 141011141 423033423