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545432123 is a prime number
BaseRepresentation
bin100000100000101…
…010001000111011
31102000022211012202
4200200222020323
52104112311443
6130042300415
716342045055
oct4040521073
91360284182
10545432123
1125a978255
121327b770b
1389001302
14526208d5
1532d3e7b8
hex2082a23b

545432123 has 2 divisors, whose sum is σ = 545432124. Its totient is φ = 545432122.

The previous prime is 545432119. The next prime is 545432149. The reversal of 545432123 is 321234545.

It is a happy number.

545432123 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545432123 - 22 = 545432119 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (545432323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272716061 + 272716062.

It is an arithmetic number, because the mean of its divisors is an integer number (272716062).

Almost surely, 2545432123 is an apocalyptic number.

545432123 is a deficient number, since it is larger than the sum of its proper divisors (1).

545432123 is an equidigital number, since it uses as much as digits as its factorization.

545432123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 29.

The square root of 545432123 is about 23354.4882838396. The cubic root of 545432123 is about 817.0467446626.

Adding to 545432123 its reverse (321234545), we get a palindrome (866666668).

The spelling of 545432123 in words is "five hundred forty-five million, four hundred thirty-two thousand, one hundred twenty-three".