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230223243 = 3175343777
BaseRepresentation
bin11011011100011…
…10110110001011
3121001012112220210
431232032312023
5432414120433
634502252203
75463602535
oct1556166613
9531175823
10230223243
11108a56148
1265127063
1338909a93
142280c855
1515329463
hexdb8ed8b

230223243 has 8 divisors (see below), whose sum is σ = 307146448. Its totient is φ = 153391104.

The previous prime is 230223221. The next prime is 230223269. The reversal of 230223243 is 342322032.

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

It is not a de Polignac number, because 230223243 - 26 = 230223179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230223283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16630 + ... + 27147.

It is an arithmetic number, because the mean of its divisors is an integer number (38393306).

Almost surely, 2230223243 is an apocalyptic number.

230223243 is a deficient number, since it is larger than the sum of its proper divisors (76923205).

230223243 is a wasteful number, since it uses less digits than its factorization.

230223243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45533.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 230223243 is about 15173.1092067513. The cubic root of 230223243 is about 612.8907343301.

Adding to 230223243 its reverse (342322032), we get a palindrome (572545275).

The spelling of 230223243 in words is "two hundred thirty million, two hundred twenty-three thousand, two hundred forty-three".

Divisors: 1 3 1753 5259 43777 131331 76741081 230223243