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1223104230 = 232513590047
BaseRepresentation
bin100100011100111…
…0001011011100110
310011020111010120200
41020321301123212
510001103313410
6321211211330
742211133355
oct11071613346
93136433520
101223104230
11578457347
122a1746b46
1316652381a
14b862599c
15725a13c0
hex48e716e6

1223104230 has 24 divisors (see below), whose sum is σ = 3180071232. Its totient is φ = 326161104.

The previous prime is 1223104177. The next prime is 1223104231. The reversal of 1223104230 is 324013221.

1223104230 is a `hidden beast` number, since 12 + 231 + 0 + 423 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223104231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6794934 + ... + 6795113.

It is an arithmetic number, because the mean of its divisors is an integer number (132502968).

Almost surely, 21223104230 is an apocalyptic number.

1223104230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223104230 is an abundant number, since it is smaller than the sum of its proper divisors (1956967002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223104230 is a wasteful number, since it uses less digits than its factorization.

1223104230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13590060 (or 13590057 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1223104230 is about 34972.9070853425. The cubic root of 1223104230 is about 1069.4352363598.

Adding to 1223104230 its reverse (324013221), we get a palindrome (1547117451).

The spelling of 1223104230 in words is "one billion, two hundred twenty-three million, one hundred four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 13590047 27180094 40770141 67950235 81540282 122310423 135900470 203850705 244620846 407701410 611552115 1223104230