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123240334232 = 23831918811103
BaseRepresentation
bin111001011000110110…
…0100100001110011000
3102210002211102122102102
41302301230210032120
54004344011143412
6132341004022532
711622003361661
oct1626154441630
9383084378372
10123240334232
11482a1a571a4
121ba74b31a48
13b8106088c2
145d71830368
1533146be8c2
hex1cb1b24398

123240334232 has 64 divisors (see below), whose sum is σ = 235564277760. Its totient is φ = 60435443200.

The previous prime is 123240334183. The next prime is 123240334247. The reversal of 123240334232 is 232433042321.

It is a junction number, because it is equal to n+sod(n) for n = 123240334195 and 123240334204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111731393 + ... + 111732495.

It is an arithmetic number, because the mean of its divisors is an integer number (3680691840).

Almost surely, 2123240334232 is an apocalyptic number.

It is an amenable number.

123240334232 is a deficient number, since it is larger than the sum of its proper divisors (112323943528).

123240334232 is a wasteful number, since it uses less digits than its factorization.

123240334232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 123240334232 its reverse (232433042321), we get a palindrome (355673376553).

The spelling of 123240334232 in words is "one hundred twenty-three billion, two hundred forty million, three hundred thirty-four thousand, two hundred thirty-two".

Divisors: 1 2 4 8 83 166 191 332 382 664 764 881 1103 1528 1762 2206 3524 4412 7048 8824 15853 31706 63412 73123 91549 126824 146246 168271 183098 210673 292492 336542 366196 421346 584984 673084 732392 842692 971743 1346168 1685384 1943486 3886972 7773944 13966493 17485859 27932986 34971718 55865972 69943436 80654669 111731944 139886872 161309338 185602913 322618676 371205826 645237352 742411652 1484823304 15405041779 30810083558 61620167116 123240334232