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230025223 = 1167719699
BaseRepresentation
bin11011011010111…
…10100000000111
3121000211111021201
431231132200013
5432341301343
634454123331
75462116321
oct1555364007
9530744251
10230025223
1110893039a
1265050547
133886a8cc
142279a611
15152da94d
hexdb5e807

230025223 has 4 divisors (see below), whose sum is σ = 230056600. Its totient is φ = 229993848.

The previous prime is 230025209. The next prime is 230025251. The reversal of 230025223 is 322520032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 230025223 - 217 = 229894151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230025223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230025823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1828 + ... + 21526.

It is an arithmetic number, because the mean of its divisors is an integer number (57514150).

Almost surely, 2230025223 is an apocalyptic number.

230025223 is a deficient number, since it is larger than the sum of its proper divisors (31377).

230025223 is a wasteful number, since it uses less digits than its factorization.

230025223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31376.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 230025223 is about 15166.5824429896. The cubic root of 230025223 is about 612.7149637254.

Adding to 230025223 its reverse (322520032), we get a palindrome (552545255).

The spelling of 230025223 in words is "two hundred thirty million, twenty-five thousand, two hundred twenty-three".

Divisors: 1 11677 19699 230025223