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230123310 = 2358392419
BaseRepresentation
bin11011011011101…
…10011100101110
3121001000110211120
431231312130232
5432402421220
634500201410
75463005304
oct1555663456
9531013746
10230123310
1110899805a
1265099266
13388a3451
14227c4274
1515309a40
hexdb7672e

230123310 has 32 divisors (see below), whose sum is σ = 558956160. Its totient is φ = 60626208.

The previous prime is 230123281. The next prime is 230123329. The reversal of 230123310 is 13321032.

It is a super-2 number, since 2×2301233102 = 105913475610712200, which contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230123310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43720 + ... + 48699.

It is an arithmetic number, because the mean of its divisors is an integer number (17467380).

Almost surely, 2230123310 is an apocalyptic number.

230123310 is an abundant number, since it is smaller than the sum of its proper divisors (328832850).

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

230123310 is a wasteful number, since it uses less digits than its factorization.

230123310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92512.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 230123310 is about 15169.8157536603. The cubic root of 230123310 is about 612.8020423384.

Adding to 230123310 its reverse (13321032), we get a palindrome (243444342).

The spelling of 230123310 in words is "two hundred thirty million, one hundred twenty-three thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 83 166 249 415 498 830 1245 2490 92419 184838 277257 462095 554514 924190 1386285 2772570 7670777 15341554 23012331 38353885 46024662 76707770 115061655 230123310