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1400002423 is a prime number
BaseRepresentation
bin101001101110010…
…0101011101110111
310121120100111021121
41103130211131313
510331400034143
6350530524411
746456552501
oct12334453567
93546314247
101400002423
116592a05a6
12330a36707
1319407c901
14d3d12d71
1582d957ed
hex53725777

1400002423 has 2 divisors, whose sum is σ = 1400002424. Its totient is φ = 1400002422.

The previous prime is 1400002421. The next prime is 1400002427. The reversal of 1400002423 is 3242000041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1400002423 - 21 = 1400002421 is a prime.

Together with 1400002421, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1400002397 and 1400002406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400002421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700001211 + 700001212.

It is an arithmetic number, because the mean of its divisors is an integer number (700001212).

Almost surely, 21400002423 is an apocalyptic number.

1400002423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400002423 is an equidigital number, since it uses as much as digits as its factorization.

1400002423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1400002423 is about 37416.6062464249. The cubic root of 1400002423 is about 1118.6895874580.

Adding to 1400002423 its reverse (3242000041), we get a palindrome (4642002464).

The spelling of 1400002423 in words is "one billion, four hundred million, two thousand, four hundred twenty-three".