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2313123233 = 611491571621
BaseRepresentation
bin1000100111011111…
…0111010110100001
312222012112211112212
42021313313112201
514214124420413
61021310131505
7111215136341
oct21167672641
95865484485
102313123233
11a877747a3
125467b0b95
132ab2bb495
1417d2c6d21
15d8114ca8
hex89df75a1

2313123233 has 16 divisors (see below), whose sum is σ = 2383366800. Its totient is φ = 2244153600.

The previous prime is 2313123229. The next prime is 2313123257. The reversal of 2313123233 is 3323213132.

It can be written as a sum of positive squares in 8 ways, for example, as 502790929 + 1810332304 = 22423^2 + 42548^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313123233 - 22 = 2313123229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2313123199 and 2313123208.

It is not an unprimeable number, because it can be changed into a prime (2313123223) 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, 1426163 + ... + 1427783.

It is an arithmetic number, because the mean of its divisors is an integer number (148960425).

Almost surely, 22313123233 is an apocalyptic number.

It is an amenable number.

2313123233 is a deficient number, since it is larger than the sum of its proper divisors (70243567).

2313123233 is a wasteful number, since it uses less digits than its factorization.

2313123233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988.

The product of its digits is 1944, while the sum is 23.

The square root of 2313123233 is about 48094.9397858028. The cubic root of 2313123233 is about 1322.5119052010.

Adding to 2313123233 its reverse (3323213132), we get a palindrome (5636336365).

It can be divided in two parts, 23131 and 23233, that added together give a palindrome (46364).

The spelling of 2313123233 in words is "two billion, three hundred thirteen million, one hundred twenty-three thousand, two hundred thirty-three".

Divisors: 1 61 149 157 1621 9089 9577 23393 98881 241529 254497 1426973 14733269 15524317 37920053 2313123233