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13120423 is a prime number
BaseRepresentation
bin110010000011…
…001110100111
3220200120211121
4302003032213
511324323143
61145114411
7216343651
oct62031647
926616747
1013120423
117451628
124488a07
132944c84
141a576d1
1512427ed
hexc833a7

13120423 has 2 divisors, whose sum is σ = 13120424. Its totient is φ = 13120422.

The previous prime is 13120411. The next prime is 13120427. The reversal of 13120423 is 32402131.

It is a happy number.

13120423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13120423 - 217 = 12989351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13120397 and 13120406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13120427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560211 + 6560212.

It is an arithmetic number, because the mean of its divisors is an integer number (6560212).

Almost surely, 213120423 is an apocalyptic number.

13120423 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120423 is an equidigital number, since it uses as much as digits as its factorization.

13120423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13120423 is about 3622.2124454537. The cubic root of 13120423 is about 235.8572762910.

Adding to 13120423 its reverse (32402131), we get a palindrome (45522554).

The spelling of 13120423 in words is "thirteen million, one hundred twenty thousand, four hundred twenty-three".