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2123323307 = 71797183949
BaseRepresentation
bin111111010001111…
…0101011110101011
312110222101222222222
41332203311132223
513322032321212
6550410104255
7103421643650
oct17643653653
95428358888
102123323307
1199a619256
124b311b08b
1327ab95b31
14161ddbc27
15c6622c72
hex7e8f57ab

2123323307 has 16 divisors (see below), whose sum is σ = 2595902400. Its totient is φ = 1695264768.

The previous prime is 2123323291. The next prime is 2123323309. The reversal of 2123323307 is 7033233212.

It is a cyclic number.

It is not a de Polignac number, because 2123323307 - 24 = 2123323291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123323309) 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, 80432 + ... + 103517.

It is an arithmetic number, because the mean of its divisors is an integer number (162243900).

Almost surely, 22123323307 is an apocalyptic number.

2123323307 is a deficient number, since it is larger than the sum of its proper divisors (472579093).

2123323307 is a wasteful number, since it uses less digits than its factorization.

2123323307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184070.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 2123323307 is about 46079.5324086519. The cubic root of 2123323307 is about 1285.3025691137.

Adding to 2123323307 its reverse (7033233212), we get a palindrome (9156556519).

The spelling of 2123323307 in words is "two billion, one hundred twenty-three million, three hundred twenty-three thousand, three hundred seven".

Divisors: 1 7 17 97 119 679 1649 11543 183949 1287643 3127133 17843053 21889931 124901371 303331901 2123323307