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1312342342423 = 7229881929261
BaseRepresentation
bin10011000110001101101…
…100101111101100010111
311122110101101122102002121
4103012031230233230113
5133000134114424143
62442514242520411
7163546031600110
oct23061554575427
94573341572077
101312342342423
1146661a048792
12192410966107
13969a4163838
144773683d207
152420c76a7ed
hex1318db2fb17

1312342342423 has 16 divisors (see below), whose sum is σ = 1508080714560. Its totient is φ = 1118680358400.

The previous prime is 1312342342393. The next prime is 1312342342427. The reversal of 1312342342423 is 3242432432131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1312342342423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312342342427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947613 + ... + 1876873.

It is an arithmetic number, because the mean of its divisors is an integer number (94255044660).

Almost surely, 21312342342423 is an apocalyptic number.

1312342342423 is a deficient number, since it is larger than the sum of its proper divisors (195738372137).

1312342342423 is an equidigital number, since it uses as much as digits as its factorization.

1312342342423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930378.

The product of its digits is 82944, while the sum is 34.

Adding to 1312342342423 its reverse (3242432432131), we get a palindrome (4554774774554).

The spelling of 1312342342423 in words is "one trillion, three hundred twelve billion, three hundred forty-two million, three hundred forty-two thousand, four hundred twenty-three".

Divisors: 1 7 229 881 1603 6167 201749 929261 1412243 6504827 212800769 818678941 1489605383 5730752587 187477477489 1312342342423