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423204231 = 3239590243
BaseRepresentation
bin11001001110011…
…001010110000111
31002111100000001210
4121032121112013
51331320013411
6105554422503
713326114402
oct3116312607
91074300053
10423204231
111a798466a
12b9891a33
13698a7308
14402c4d39
1527248ca6
hex19399587

423204231 has 8 divisors (see below), whose sum is σ = 566634240. Its totient is φ = 280955192.

The previous prime is 423204217. The next prime is 423204247. The reversal of 423204231 is 132402324.

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 423204231 - 29 = 423203719 is a prime.

It is a super-2 number, since 2×4232042312 = 358203642272602722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423204198 and 423204207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423204211) 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, 294405 + ... + 295838.

It is an arithmetic number, because the mean of its divisors is an integer number (70829280).

Almost surely, 2423204231 is an apocalyptic number.

423204231 is a deficient number, since it is larger than the sum of its proper divisors (143430009).

423204231 is a wasteful number, since it uses less digits than its factorization.

423204231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590485.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 423204231 is about 20571.9282275629. The cubic root of 423204231 is about 750.7868666103.

Adding to 423204231 its reverse (132402324), we get a palindrome (555606555).

The spelling of 423204231 in words is "four hundred twenty-three million, two hundred four thousand, two hundred thirty-one".

Divisors: 1 3 239 717 590243 1770729 141068077 423204231