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123303213230 = 25175912293441
BaseRepresentation
bin111001011010101110…
…0011011100010101110
3102210021012202020012012
41302311130123202232
54010011110310410
6132351131441222
711623366006451
oct1626534334256
9383235666165
10123303213230
11483244a410a
121ba91bb6212
13b820653102
145d79d1b498
153319e90605
hex1cb571b8ae

123303213230 has 32 divisors (see below), whose sum is σ = 238984512480. Its totient is φ = 45633249280.

The previous prime is 123303213223. The next prime is 123303213269. The reversal of 123303213230 is 32312303321.

It is a junction number, because it is equal to n+sod(n) for n = 123303213196 and 123303213205.

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, 6136691 + ... + 6156750.

It is an arithmetic number, because the mean of its divisors is an integer number (7468266015).

Almost surely, 2123303213230 is an apocalyptic number.

123303213230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123303213230 is a deficient number, since it is larger than the sum of its proper divisors (115681299250).

123303213230 is a wasteful number, since it uses less digits than its factorization.

123303213230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12293524.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 123303213230 its reverse (32312303321), we get a palindrome (155615516551).

Subtracting from 123303213230 its reverse (32312303321), we obtain a palindrome (90990909909).

The spelling of 123303213230 in words is "one hundred twenty-three billion, three hundred three million, two hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 59 85 118 170 295 590 1003 2006 5015 10030 12293441 24586882 61467205 122934410 208988497 417976994 725313019 1044942485 1450626038 2089884970 3626565095 7253130190 12330321323 24660642646 61651606615 123303213230