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231200312323 = 2231036772701
BaseRepresentation
bin1101011101010010011…
…1001100110000000011
3211002202202011202211111
43113110213030300003
512241444234443243
6254113441024151
722463234141461
oct3272447146003
9732682152744
10231200312323
118a062604692
1238984625057
1318a57287946
14b293adb831
15603264b39d
hex35d49ccc03

231200312323 has 4 divisors (see below), whose sum is σ = 232237085248. Its totient is φ = 230163539400.

The previous prime is 231200312297. The next prime is 231200312351. The reversal of 231200312323 is 323213002132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231200312323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231200312294 and 231200312303.

It is not an unprimeable number, because it can be changed into a prime (231200312353) 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, 518386128 + ... + 518386573.

It is an arithmetic number, because the mean of its divisors is an integer number (58059271312).

Almost surely, 2231200312323 is an apocalyptic number.

231200312323 is a deficient number, since it is larger than the sum of its proper divisors (1036772925).

231200312323 is a wasteful number, since it uses less digits than its factorization.

231200312323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036772924.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 231200312323 its reverse (323213002132), we get a palindrome (554413314455).

The spelling of 231200312323 in words is "two hundred thirty-one billion, two hundred million, three hundred twelve thousand, three hundred twenty-three".

Divisors: 1 223 1036772701 231200312323