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23680103 = 82128843
BaseRepresentation
bin101101001010…
…1010001100111
31122120001222212
41122111101213
522030230403
62203314035
7405164126
oct132252147
948501885
1023680103
1112404237
127b1b91b
134ba14c5
143205abd
15212b4d8
hex1695467

23680103 has 4 divisors (see below), whose sum is σ = 23709768. Its totient is φ = 23650440.

The previous prime is 23680091. The next prime is 23680109. The reversal of 23680103 is 30108632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23680103 - 216 = 23614567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23680109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13601 + ... + 15242.

It is an arithmetic number, because the mean of its divisors is an integer number (5927442).

Almost surely, 223680103 is an apocalyptic number.

23680103 is a deficient number, since it is larger than the sum of its proper divisors (29665).

23680103 is an equidigital number, since it uses as much as digits as its factorization.

23680103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29664.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23680103 is about 4866.2206074119. The cubic root of 23680103 is about 287.1625904349.

Adding to 23680103 its reverse (30108632), we get a palindrome (53788735).

The spelling of 23680103 in words is "twenty-three million, six hundred eighty thousand, one hundred three".

Divisors: 1 821 28843 23680103