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1343540323 = 13120694957
BaseRepresentation
bin101000000010100…
…1100110001100011
310110122002220211201
41100011030301203
510222421242243
6341152422031
745202622116
oct12005146143
93418086751
101343540323
1162a436804
12315b47917
13185471098
14ca61657d
157ce4104d
hex5014cc63

1343540323 has 8 divisors (see below), whose sum is σ = 1354723920. Its totient is φ = 1332371040.

The previous prime is 1343540309. The next prime is 1343540327. The reversal of 1343540323 is 3230453431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1343540323 - 213 = 1343532131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1343540291 and 1343540300.

It is not an unprimeable number, because it can be changed into a prime (1343540327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268561 + ... + 273517.

It is an arithmetic number, because the mean of its divisors is an integer number (169340490).

Almost surely, 21343540323 is an apocalyptic number.

1343540323 is a deficient number, since it is larger than the sum of its proper divisors (11183597).

1343540323 is a wasteful number, since it uses less digits than its factorization.

1343540323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 1343540323 is about 36654.3356644204. The cubic root of 1343540323 is about 1103.4438413261.

Adding to 1343540323 its reverse (3230453431), we get a palindrome (4573993754).

The spelling of 1343540323 in words is "one billion, three hundred forty-three million, five hundred forty thousand, three hundred twenty-three".

Divisors: 1 131 2069 4957 271039 649367 10256033 1343540323