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123201143230 = 25115978724121
BaseRepresentation
bin111001010111101011…
…1000100000110111110
3102210000002200112110211
41302233113010012332
54004303443040410
6132333044023034
711621016303334
oct1625727040676
9383002615424
10123201143230
1148281919440
121ba63991a7a
13b805466369
145d6a54bb54
15331102c68a
hex1caf5c41be

123201143230 has 64 divisors (see below), whose sum is σ = 246345442560. Its totient is φ = 43983302400.

The previous prime is 123201143227. The next prime is 123201143249. The reversal of 123201143230 is 32341102321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5095570 + ... + 5119690.

It is an arithmetic number, because the mean of its divisors is an integer number (3849147540).

Almost surely, 2123201143230 is an apocalyptic number.

123201143230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123201143230 is a deficient number, since it is larger than the sum of its proper divisors (123144299330).

123201143230 is a wasteful number, since it uses less digits than its factorization.

123201143230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24985.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123201143230 its reverse (32341102321), we get a palindrome (155542245551).

The spelling of 123201143230 in words is "one hundred twenty-three billion, two hundred one million, one hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 59 110 118 295 590 649 787 1298 1574 3245 3935 6490 7870 8657 17314 24121 43285 46433 48242 86570 92866 120605 232165 241210 265331 464330 510763 530662 1021526 1326655 1423139 2553815 2653310 2846278 5107630 7115695 14231390 15654529 18983227 31309058 37966454 78272645 94916135 156545290 189832270 208815497 417630994 1044077485 1120010393 2088154970 2240020786 5600051965 11200103930 12320114323 24640228646 61600571615 123201143230