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3123403 is a prime number
BaseRepresentation
bin1011111010100011001011
312212200111121
423322203023
51244422103
6150540111
735356063
oct13724313
95780447
103123403
111843728
121067637
1385488a
145b43a3
1541a6bd
hex2fa8cb

3123403 has 2 divisors, whose sum is σ = 3123404. Its totient is φ = 3123402.

The previous prime is 3123349. The next prime is 3123413. The reversal of 3123403 is 3043213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3123403 - 217 = 2992331 is a prime.

It is equal to p225070 and since 3123403 and 225070 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3123413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561701 + 1561702.

It is an arithmetic number, because the mean of its divisors is an integer number (1561702).

Almost surely, 23123403 is an apocalyptic number.

3123403 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123403 is an equidigital number, since it uses as much as digits as its factorization.

3123403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3123403 is about 1767.3151954306. The cubic root of 3123403 is about 146.1759778332.

Adding to 3123403 its reverse (3043213), we get a palindrome (6166616).

The spelling of 3123403 in words is "three million, one hundred twenty-three thousand, four hundred three".