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23103203111 = 477955711171
BaseRepresentation
bin10101100001000011…
…101110011100100111
32012122002202022122022
4111201003232130213
5334303404444421
614340301453355
71445342662202
oct254103563447
965562668568
1023103203111
11988617949a
12458927125b
1322425848b1
1411924b4939
159033e87ab
hex5610ee727

23103203111 has 16 divisors (see below), whose sum is σ = 23938467840. Its totient is φ = 22283345760.

The previous prime is 23103203077. The next prime is 23103203131. The reversal of 23103203111 is 11130230132.

It is a cyclic number.

It is not a de Polignac number, because 23103203111 - 214 = 23103186727 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 23103203111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103203131) 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, 2062556 + ... + 2073726.

It is an arithmetic number, because the mean of its divisors is an integer number (1496154240).

Almost surely, 223103203111 is an apocalyptic number.

23103203111 is a deficient number, since it is larger than the sum of its proper divisors (835264729).

23103203111 is a wasteful number, since it uses less digits than its factorization.

23103203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11854.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23103203111 its reverse (11130230132), we get a palindrome (34233433243).

The spelling of 23103203111 in words is "twenty-three billion, one hundred three million, two hundred three thousand, one hundred eleven".

Divisors: 1 47 79 557 3713 11171 26179 44003 525037 882509 2068141 6222247 41477923 292445609 491557513 23103203111