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123243425230330 = 2540133071104541
BaseRepresentation
bin11100000001011011011000…
…100101001110110111111010
3121011100221211012120021002001
4130001123120211032313322
5112123210013324332310
61114041125315531214
734650020652565306
oct3401333045166772
9534327735507061
10123243425230330
11362a6274658399
12119a54998b9b0a
13539ca60b490b2
1422610294acd06
15e3ac9e89393a
hex7016d894edfa

123243425230330 has 16 divisors (see below), whose sum is σ = 221893445368584. Its totient is φ = 49285085657920.

The previous prime is 123243425230319. The next prime is 123243425230337. The reversal of 123243425230330 is 33032524342321.

It can be written as a sum of positive squares in 4 ways, for example, as 100742794259041 + 22500630971289 = 10037071^2 + 4743483^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123243425230330.

It is not an unprimeable number, because it can be changed into a prime (123243425230337) 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, 1535512141 + ... + 1535592400.

Almost surely, 2123243425230330 is an apocalyptic number.

123243425230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123243425230330 is a deficient number, since it is larger than the sum of its proper divisors (98650020138254).

123243425230330 is a wasteful number, since it uses less digits than its factorization.

123243425230330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071108561.

The product of its (nonzero) digits is 311040, while the sum is 37.

Adding to 123243425230330 its reverse (33032524342321), we get a palindrome (156275949572651).

The spelling of 123243425230330 in words is "one hundred twenty-three trillion, two hundred forty-three billion, four hundred twenty-five million, two hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 4013 8026 20065 40130 3071104541 6142209082 15355522705 30711045410 12324342523033 24648685046066 61621712615165 123243425230330