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123313020232 = 2385811796309
BaseRepresentation
bin111001011011000000…
…1110101110101001000
3102210021220012110212111
41302312001311311020
54010021113121412
6132352121552104
711623545243343
oct1626601656510
9383256173774
10123313020232
1148329a92276
121ba95345634
13b8226a7b7c
145d7b35145a
15331ac7b2a7
hex1cb6075d48

123313020232 has 16 divisors (see below), whose sum is σ = 231238986300. Its totient is φ = 61649290560.

The previous prime is 123313020211. The next prime is 123313020263. The reversal of 123313020232 is 232020313321.

It can be written as a sum of positive squares in 2 ways, for example, as 83494414116 + 39818606116 = 288954^2 + 199546^2 .

It is a super-3 number, since 3×1233130202323 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829507 + ... + 966802.

Almost surely, 2123313020232 is an apocalyptic number.

It is an amenable number.

123313020232 is a deficient number, since it is larger than the sum of its proper divisors (107925966068).

123313020232 is a wasteful number, since it uses less digits than its factorization.

123313020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804896 (or 1804892 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123313020232 its reverse (232020313321), we get a palindrome (355333333553).

The spelling of 123313020232 in words is "one hundred twenty-three billion, three hundred thirteen million, twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 8581 17162 34324 68648 1796309 3592618 7185236 14370472 15414127529 30828255058 61656510116 123313020232