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230022223 = 1717237853
BaseRepresentation
bin11011011010111…
…01110001001111
3121000211100011121
431231131301033
5432341202343
634454101411
75462104504
oct1555356117
9530740147
10230022223
11108929112
126504a867
1338869432
14227994ab
15152d9aed
hexdb5dc4f

230022223 has 8 divisors (see below), whose sum is σ = 243725328. Its totient is φ = 216338304.

The previous prime is 230022217. The next prime is 230022239. The reversal of 230022223 is 322220032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230022223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230022197 and 230022206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230022253) 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, 25365 + ... + 33217.

It is an arithmetic number, because the mean of its divisors is an integer number (30465666).

Almost surely, 2230022223 is an apocalyptic number.

230022223 is a deficient number, since it is larger than the sum of its proper divisors (13703105).

230022223 is a wasteful number, since it uses less digits than its factorization.

230022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9593.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 230022223 is about 15166.4835410190. The cubic root of 230022223 is about 612.7123000278.

Adding to 230022223 its reverse (322220032), we get a palindrome (552242255).

The spelling of 230022223 in words is "two hundred thirty million, twenty-two thousand, two hundred twenty-three".

Divisors: 1 17 1723 7853 29291 133501 13530719 230022223