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1123102230 = 23540919151
BaseRepresentation
bin100001011110001…
…0010111000010110
32220021022111121220
41002330102320112
54300003232410
6303235551210
736555132345
oct10274227026
92807274556
101123102230
11526a64368
1227415b506
1314b8ac143
14a9233b5c
15688eb070
hex42f12e16

1123102230 has 32 divisors (see below), whose sum is σ = 2696398848. Its totient is φ = 299388000.

The previous prime is 1123102223. The next prime is 1123102231. The reversal of 1123102230 is 322013211.

It is a super-2 number, since 2×11231022302 = 2522717238061945800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123102231) 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, 118155 + ... + 127305.

It is an arithmetic number, because the mean of its divisors is an integer number (84262464).

Almost surely, 21123102230 is an apocalyptic number.

1123102230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123102230 is an abundant number, since it is smaller than the sum of its proper divisors (1573296618).

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

1123102230 is a wasteful number, since it uses less digits than its factorization.

1123102230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13252.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1123102230 is about 33512.7174368179. The cubic root of 1123102230 is about 1039.4567644950.

Adding to 1123102230 its reverse (322013211), we get a palindrome (1445115441).

The spelling of 1123102230 in words is "one billion, one hundred twenty-three million, one hundred two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4091 8182 9151 12273 18302 20455 24546 27453 40910 45755 54906 61365 91510 122730 137265 274530 37436741 74873482 112310223 187183705 224620446 374367410 561551115 1123102230