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230123703 = 3472297127
BaseRepresentation
bin11011011011101…
…10100010110111
3121001000111101010
431231312202313
5432402424303
634500203303
75463006405
oct1555664267
9531014333
10230123703
11108998387
1265099533
13388a3694
14227c4475
1515309c03
hexdb768b7

230123703 has 16 divisors (see below), whose sum is σ = 314772480. Its totient is φ = 149474976.

The previous prime is 230123689. The next prime is 230123737. The reversal of 230123703 is 307321032.

It is not a de Polignac number, because 230123703 - 220 = 229075127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230123703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230123503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28726 + ... + 35852.

It is an arithmetic number, because the mean of its divisors is an integer number (19673280).

Almost surely, 2230123703 is an apocalyptic number.

230123703 is a deficient number, since it is larger than the sum of its proper divisors (84648777).

230123703 is a wasteful number, since it uses less digits than its factorization.

230123703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7406.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 230123703 is about 15169.8287070092. The cubic root of 230123703 is about 612.8023911820.

Adding to 230123703 its reverse (307321032), we get a palindrome (537444735).

The spelling of 230123703 in words is "two hundred thirty million, one hundred twenty-three thousand, seven hundred three".

Divisors: 1 3 47 141 229 687 7127 10763 21381 32289 334969 1004907 1632083 4896249 76707901 230123703