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321242323 = 1290724889
BaseRepresentation
bin10011001001011…
…100010011010011
3211101110210121211
4103021130103103
51124214223243
651513200551
710650341353
oct2311342323
9741423554
10321242323
11155373126
128b700157
135172781c
1430942b63
151d307d9d
hex1325c4d3

321242323 has 4 divisors (see below), whose sum is σ = 321280120. Its totient is φ = 321204528.

The previous prime is 321242263. The next prime is 321242347. The reversal of 321242323 is 323242123.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 323242123 = 860937547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-321242323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321242294 and 321242303.

It is not an unprimeable number, because it can be changed into a prime (321242123) 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, 463 + ... + 25351.

It is an arithmetic number, because the mean of its divisors is an integer number (80320030).

Almost surely, 2321242323 is an apocalyptic number.

321242323 is a deficient number, since it is larger than the sum of its proper divisors (37797).

321242323 is a wasteful number, since it uses less digits than its factorization.

321242323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37796.

The product of its digits is 1728, while the sum is 22.

The square root of 321242323 is about 17923.2341668573. The cubic root of 321242323 is about 684.8743783703.

Adding to 321242323 its reverse (323242123), we get a palindrome (644484446).

The spelling of 321242323 in words is "three hundred twenty-one million, two hundred forty-two thousand, three hundred twenty-three".

Divisors: 1 12907 24889 321242323