534642623 has 2 divisors, whose sum is σ = 534642624. Its totient is φ = 534642622.

The previous prime is 534642599. The next prime is 534642643. The reversal of 534642623 is 326246435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 534642623 - 2²² = 530448319 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534642643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267321311 + 267321312.

It is an arithmetic number, because the mean of its divisors is an integer number (267321312).

Almost surely, 2^534642623 is an apocalyptic number.

534642623 is a deficient number, since it is larger than the sum of its proper divisors (1).

534642623 is an equidigital number, since it uses as much as digits as its factorization.

534642623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 35.

The square root of 534642623 is about 23122.3403443510. The cubic root of 534642623 is about 811.6233374621.

The spelling of 534642623 in words is "five hundred thirty-four million, six hundred forty-two thousand, six hundred twenty-three".