534288378821623 has 2 divisors, whose sum is σ = 534288378821624. Its totient is φ = 534288378821622.

The previous prime is 534288378821599. The next prime is 534288378821689. The reversal of 534288378821623 is 326128873882435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 534288378821623 - 2¹⁷ = 534288378690551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534288378821123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267144189410811 + 267144189410812.

It is an arithmetic number, because the mean of its divisors is an integer number (267144189410812).

Almost surely, 2^{534288378821623} is an apocalyptic number.

534288378821623 is a deficient number, since it is larger than the sum of its proper divisors (1).

534288378821623 is an equidigital number, since it uses as much as digits as its factorization.

534288378821623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 743178240, while the sum is 70.

The spelling of 534288378821623 in words is "five hundred thirty-four trillion, two hundred eighty-eight billion, three hundred seventy-eight million, eight hundred twenty-one thousand, six hundred twenty-three".