534216623 has 2 divisors, whose sum is σ = 534216624. Its totient is φ = 534216622.

The previous prime is 534216601. The next prime is 534216629. The reversal of 534216623 is 326612435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 534216623 - 2⁸ = 534216367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 534216623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534216629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267108311 + 267108312.

It is an arithmetic number, because the mean of its divisors is an integer number (267108312).

Almost surely, 2^534216623 is an apocalyptic number.

534216623 is a deficient number, since it is larger than the sum of its proper divisors (1).

534216623 is an equidigital number, since it uses as much as digits as its factorization.

534216623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 534216623 is about 23113.1266383413. The cubic root of 534216623 is about 811.4077146650.

The spelling of 534216623 in words is "five hundred thirty-four million, two hundred sixteen thousand, six hundred twenty-three".