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230243423 = 6728312143
BaseRepresentation
bin11011011100100…
…11110001011111
3121001020120121012
431232103301133
5432420242143
634502525435
75464015424
oct1556236137
9531216535
10230243423
11108a6a323
126513687b
1338916017
1422815d4b
1515330418
hexdb93c5f

230243423 has 8 divisors (see below), whose sum is σ = 234524928. Its totient is φ = 225986904.

The previous prime is 230243381. The next prime is 230243437. The reversal of 230243423 is 324342032.

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 230243423 - 224 = 213466207 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 (230243443) 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, 12890 + ... + 25032.

It is an arithmetic number, because the mean of its divisors is an integer number (29315616).

Almost surely, 2230243423 is an apocalyptic number.

230243423 is a deficient number, since it is larger than the sum of its proper divisors (4281505).

230243423 is a wasteful number, since it uses less digits than its factorization.

230243423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12493.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 230243423 is about 15173.7741844276. The cubic root of 230243423 is about 612.9086412589.

Adding to 230243423 its reverse (324342032), we get a palindrome (554585455).

The spelling of 230243423 in words is "two hundred thirty million, two hundred forty-three thousand, four hundred twenty-three".

Divisors: 1 67 283 12143 18961 813581 3436469 230243423