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123023045332 = 221115717808779
BaseRepresentation
bin111001010010010111…
…1101011001011010100
3102202112200120020002101
41302210233223023110
54003422344422312
6132303242451444
711613424426435
oct1624457531324
9382480506071
10123023045332
11481a03358a0
121ba14203b84
13b7a75aa1a5
145d50a2b48c
15330059ca57
hex1ca4beb2d4

123023045332 has 24 divisors (see below), whose sum is σ = 236358128160. Its totient is φ = 55563387360.

The previous prime is 123023045317. The next prime is 123023045351. The reversal of 123023045332 is 233540320321.

It is a self number, because there is not a number n which added to its sum of digits gives 123023045332.

It is a congruent number.

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, 8897482 + ... + 8911297.

It is an arithmetic number, because the mean of its divisors is an integer number (9848255340).

Almost surely, 2123023045332 is an apocalyptic number.

It is an amenable number.

123023045332 is a deficient number, since it is larger than the sum of its proper divisors (113335082828).

123023045332 is a wasteful number, since it uses less digits than its factorization.

123023045332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17808951 (or 17808949 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 123023045332 its reverse (233540320321), we get a palindrome (356563365653).

The spelling of 123023045332 in words is "one hundred twenty-three billion, twenty-three million, forty-five thousand, three hundred thirty-two".

Divisors: 1 2 4 11 22 44 157 314 628 1727 3454 6908 17808779 35617558 71235116 195896569 391793138 783586276 2795978303 5591956606 11183913212 30755761333 61511522666 123023045332