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123085307 = 4310926261
BaseRepresentation
bin1110101011000…
…10000111111011
322120121101022002
413111202013323
5223002212212
620114051215
73023131202
oct725420773
9276541262
10123085307
11635298a4
1235279b0b
131c667357
14124c0239
15ac14ac2
hex75621fb

123085307 has 8 divisors (see below), whose sum is σ = 127108080. Its totient is φ = 119115360.

The previous prime is 123085301. The next prime is 123085327. The reversal of 123085307 is 703580321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123085307 - 26 = 123085243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123085307.

It is not an unprimeable number, because it can be changed into a prime (123085301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8444 + ... + 17817.

It is an arithmetic number, because the mean of its divisors is an integer number (15888510).

Almost surely, 2123085307 is an apocalyptic number.

123085307 is a deficient number, since it is larger than the sum of its proper divisors (4022773).

123085307 is a wasteful number, since it uses less digits than its factorization.

123085307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26413.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 123085307 is about 11094.3817763767. The cubic root of 123085307 is about 497.4339290893.

The spelling of 123085307 in words is "one hundred twenty-three million, eighty-five thousand, three hundred seven".

Divisors: 1 43 109 4687 26261 1129223 2862449 123085307