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223123111230 = 23567111006523
BaseRepresentation
bin1100111111001100101…
…1000111110100111110
3210022220211111102221110
43033303023013310332
512123424004024410
6250300142342450
722056125103315
oct3176313076476
9708824442843
10223123111230
11866981a7988
12372ab58aa26
131806aa54406
14ab2909927c
155c0d4a1720
hex33f32c7d3e

223123111230 has 32 divisors (see below), whose sum is σ = 543487941504. Its totient is φ = 58611443616.

The previous prime is 223123111229. The next prime is 223123111231. The reversal of 223123111230 is 32111321322.

It is an interprime number because it is at equal distance from previous prime (223123111229) and next prime (223123111231).

It is a super-3 number, since 3×2231231112303 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 223123111197 and 223123111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223123111231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55501252 + ... + 55505271.

It is an arithmetic number, because the mean of its divisors is an integer number (16983998172).

Almost surely, 2223123111230 is an apocalyptic number.

223123111230 is an abundant number, since it is smaller than the sum of its proper divisors (320364830274).

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

223123111230 is a wasteful number, since it uses less digits than its factorization.

223123111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111006600.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 223123111230 its reverse (32111321322), we get a palindrome (255234432552).

The spelling of 223123111230 in words is "two hundred twenty-three billion, one hundred twenty-three million, one hundred eleven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 67 134 201 335 402 670 1005 2010 111006523 222013046 333019569 555032615 666039138 1110065230 1665097845 3330195690 7437437041 14874874082 22312311123 37187185205 44624622246 74374370410 111561555615 223123111230