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223230221321 = 1315233258217
BaseRepresentation
bin1100111111100110001…
…1101101110000001001
3210100012022001012100212
43033321203231300021
512124133414040241
6250314530210505
722061565400532
oct3177143556011
9710168035325
10223230221321
1186742705318
123731b423a35
1318086cb7273
14ab393bb689
155c17aacbeb
hex33f98edc09

223230221321 has 8 divisors (see below), whose sum is σ = 225364422624. Its totient is φ = 221102537760.

The previous prime is 223230221297. The next prime is 223230221327. The reversal of 223230221321 is 123122032322.

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 223230221321 - 26 = 223230221257 is a prime.

It is a super-3 number, since 3×2232302213213 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (223230221327) 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, 1560596 + ... + 1697621.

It is an arithmetic number, because the mean of its divisors is an integer number (28170552828).

Almost surely, 2223230221321 is an apocalyptic number.

It is an amenable number.

223230221321 is a deficient number, since it is larger than the sum of its proper divisors (2134201303).

223230221321 is a wasteful number, since it uses less digits than its factorization.

223230221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258871.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 223230221321 its reverse (123122032322), we get a palindrome (346352253643).

The spelling of 223230221321 in words is "two hundred twenty-three billion, two hundred thirty million, two hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 131 523 68513 3258217 426826427 1704047491 223230221321