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123413223144 = 2339195595449
BaseRepresentation
bin111001011110000000…
…0000101011011101000
3102210112212202022102110
41302330000011123220
54010222241120034
6132410101402320
711626203042201
oct1627400053350
9383485668373
10123413223144
11483806021a2
121bb02a093a0
13b83a38cb33
145d8a7965a8
153324970de9
hex1cbc0056e8

123413223144 has 32 divisors (see below), whose sum is σ = 308868840000. Its totient is φ = 41092970112.

The previous prime is 123413223119. The next prime is 123413223161. The reversal of 123413223144 is 441322314321.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2775669 + ... + 2819780.

It is an arithmetic number, because the mean of its divisors is an integer number (9652151250).

Almost surely, 2123413223144 is an apocalyptic number.

It is an amenable number.

123413223144 is an abundant number, since it is smaller than the sum of its proper divisors (185455616856).

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

123413223144 is a wasteful number, since it uses less digits than its factorization.

123413223144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596377 (or 5596373 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 123413223144 its reverse (441322314321), we get a palindrome (564735537465).

The spelling of 123413223144 in words is "one hundred twenty-three billion, four hundred thirteen million, two hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 919 1838 2757 3676 5514 7352 11028 22056 5595449 11190898 16786347 22381796 33572694 44763592 67145388 134290776 5142217631 10284435262 15426652893 20568870524 30853305786 41137741048 61706611572 123413223144