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123340041 = 32113140189
BaseRepresentation
bin1110101101000…
…00010100001001
322121002022201200
413112200110021
5223033340131
620123334413
73025241646
oct726402411
9277068650
10123340041
1163693220
1235381409
131c726296
1412548dcd
15ac652e6
hex75a0509

123340041 has 24 divisors (see below), whose sum is σ = 200628480. Its totient is φ = 72338400.

The previous prime is 123340003. The next prime is 123340043. The reversal of 123340041 is 140043321.

It is not a de Polignac number, because 123340041 - 29 = 123339529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123339996 and 123340023.

It is not an unprimeable number, because it can be changed into a prime (123340043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17026 + ... + 23163.

It is an arithmetic number, because the mean of its divisors is an integer number (8359520).

Almost surely, 2123340041 is an apocalyptic number.

123340041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123340041 is a deficient number, since it is larger than the sum of its proper divisors (77288439).

123340041 is a wasteful number, since it uses less digits than its factorization.

123340041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40237 (or 40234 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 123340041 is about 11105.8561579016. The cubic root of 123340041 is about 497.7768512024.

Adding to 123340041 its reverse (140043321), we get a palindrome (263383362).

The spelling of 123340041 in words is "one hundred twenty-three million, three hundred forty thousand, forty-one".

Divisors: 1 3 9 11 31 33 93 99 279 341 1023 3069 40189 120567 361701 442079 1245859 1326237 3737577 3978711 11212731 13704449 41113347 123340041