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23103310301 = 171359018253
BaseRepresentation
bin10101100001000100…
…001000100111011101
32012122002221202200022
4111201010020213131
5334303421412201
614340304041525
71445343616541
oct254104104735
965562852608
1023103310301
119886241a85
1245893032a5
1322425c1616
141192501a21
1590341a41b
hex5611089dd

23103310301 has 4 divisors (see below), whose sum is σ = 24462328572. Its totient is φ = 21744292032.

The previous prime is 23103310291. The next prime is 23103310333. The reversal of 23103310301 is 10301330132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12030799225 + 11072511076 = 109685^2 + 105226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23103310301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1359018253 = 23103310301 / (2 + 3 + 1 + 0 + 3 + 3 + 1 + 0 + 3 + 0 + 1).

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 23103310301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103310361) 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, 679509110 + ... + 679509143.

It is an arithmetic number, because the mean of its divisors is an integer number (6115582143).

Almost surely, 223103310301 is an apocalyptic number.

It is an amenable number.

23103310301 is a deficient number, since it is larger than the sum of its proper divisors (1359018271).

23103310301 is a wasteful number, since it uses less digits than its factorization.

23103310301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359018270.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 23103310301 its reverse (10301330132), we get a palindrome (33404640433).

The spelling of 23103310301 in words is "twenty-three billion, one hundred three million, three hundred ten thousand, three hundred one".

Divisors: 1 17 1359018253 23103310301