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2113230023 = 5473863309
BaseRepresentation
bin111110111110101…
…0101010011000111
312110021102012121122
41331331111103013
513311441330043
6545405504155
7103240105322
oct17575252307
95407365548
102113230023
11994954aa3
124ab87205b
13278a70988
141609317b9
15c57cc368
hex7df554c7

2113230023 has 4 divisors (see below), whose sum is σ = 2117093880. Its totient is φ = 2109366168.

The previous prime is 2113230019. The next prime is 2113230079. The reversal of 2113230023 is 3200323112.

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 2113230023 - 22 = 2113230019 is a prime.

It is a super-2 number, since 2×21132300232 = 8931482260217161058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113229983 and 2113230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113230083) 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, 1931108 + ... + 1932201.

It is an arithmetic number, because the mean of its divisors is an integer number (529273470).

Almost surely, 22113230023 is an apocalyptic number.

2113230023 is a deficient number, since it is larger than the sum of its proper divisors (3863857).

2113230023 is an equidigital number, since it uses as much as digits as its factorization.

2113230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863856.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2113230023 is about 45969.8816944312. The cubic root of 2113230023 is about 1283.2627582186.

Adding to 2113230023 its reverse (3200323112), we get a palindrome (5313553135).

The spelling of 2113230023 in words is "two billion, one hundred thirteen million, two hundred thirty thousand, twenty-three".

Divisors: 1 547 3863309 2113230023