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123204104 = 2315719803
BaseRepresentation
bin1110101011111…
…11001000001000
322120211102020222
413111333020020
5223020012404
620120405212
73024134432
oct725771010
9276742228
10123204104
1163600081
1235316808
131c6a944a
1412511652
15ac39dbe
hex757f208

123204104 has 16 divisors (see below), whose sum is σ = 231178320. Its totient is φ = 61556560.

The previous prime is 123204101. The next prime is 123204127. The reversal of 123204104 is 401402321.

It is not an unprimeable number, because it can be changed into a prime (123204101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7667 + ... + 17469.

It is an arithmetic number, because the mean of its divisors is an integer number (14448645).

Almost surely, 2123204104 is an apocalyptic number.

It is an amenable number.

123204104 is a deficient number, since it is larger than the sum of its proper divisors (107974216).

123204104 is a wasteful number, since it uses less digits than its factorization.

123204104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11380 (or 11376 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 123204104 is about 11099.7344112371. The cubic root of 123204104 is about 497.5939120542.

Adding to 123204104 its reverse (401402321), we get a palindrome (524606425).

The spelling of 123204104 in words is "one hundred twenty-three million, two hundred four thousand, one hundred four".

Divisors: 1 2 4 8 1571 3142 6284 9803 12568 19606 39212 78424 15400513 30801026 61602052 123204104