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123304310423 = 725889680401
BaseRepresentation
bin111001011010110000…
…0100111011010010111
3102210021021210222020222
41302311200213122113
54010011400413143
6132351211144555
711623411226330
oct1626540473227
9383237728228
10123304310423
1148325083488
121ba9244515b
13b820948638
145d7a125287
15331a10a768
hex1cb5827697

123304310423 has 8 divisors (see below), whose sum is σ = 140924862240. Its totient is φ = 105685171200.

The previous prime is 123304310407. The next prime is 123304310443. The reversal of 123304310423 is 324013403321.

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

It is not a de Polignac number, because 123304310423 - 24 = 123304310407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123304310392 and 123304310401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123304310443) 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, 158978 + ... + 521423.

It is an arithmetic number, because the mean of its divisors is an integer number (17615607780).

Almost surely, 2123304310423 is an apocalyptic number.

123304310423 is a deficient number, since it is larger than the sum of its proper divisors (17620551817).

123304310423 is an equidigital number, since it uses as much as digits as its factorization.

123304310423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706297.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 123304310423 its reverse (324013403321), we get a palindrome (447317713744).

The spelling of 123304310423 in words is "one hundred twenty-three billion, three hundred four million, three hundred ten thousand, four hundred twenty-three".

Divisors: 1 7 25889 181223 680401 4762807 17614901489 123304310423