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2123310023 = 29475632767
BaseRepresentation
bin111111010001111…
…0010001111000111
312110222101022202222
41332203302033013
513322031410043
6550405522555
7103421560142
oct17643621707
95428338688
102123310023
1199a60a27a
124b311345b
1327ab8ca83
14161dd7059
15c661dd68
hex7e8f23c7

2123310023 has 16 divisors (see below), whose sum is σ = 2248058880. Its totient is φ = 2002185696.

The previous prime is 2123310017. The next prime is 2123310031. The reversal of 2123310023 is 3200133212.

It is a cyclic number.

It is not a de Polignac number, because 2123310023 - 214 = 2123293639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123309983 and 2123310010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123310043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765986 + ... + 768752.

It is an arithmetic number, because the mean of its divisors is an integer number (140503680).

Almost surely, 22123310023 is an apocalyptic number.

2123310023 is a deficient number, since it is larger than the sum of its proper divisors (124748857).

2123310023 is a wasteful number, since it uses less digits than its factorization.

2123310023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406.

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

The square root of 2123310023 is about 46079.3882663388. The cubic root of 2123310023 is about 1285.2998887251.

Adding to 2123310023 its reverse (3200133212), we get a palindrome (5323443235).

The spelling of 2123310023 in words is "two billion, one hundred twenty-three million, three hundred ten thousand, twenty-three".

Divisors: 1 29 47 563 1363 2767 16327 26461 80243 130049 767369 1557821 3771421 45176809 73217587 2123310023