561076423 has 2 divisors, whose sum is σ = 561076424. Its totient is φ = 561076422.

The previous prime is 561076387. The next prime is 561076429. The reversal of 561076423 is 324670165.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561076423 - 2¹⁷ = 560945351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561076429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280538211 + 280538212.

It is an arithmetic number, because the mean of its divisors is an integer number (280538212).

Almost surely, 2^561076423 is an apocalyptic number.

561076423 is a deficient number, since it is larger than the sum of its proper divisors (1).

561076423 is an equidigital number, since it uses as much as digits as its factorization.

561076423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 561076423 is about 23687.0518005091. The cubic root of 561076423 is about 824.7848464963.

The spelling of 561076423 in words is "five hundred sixty-one million, seventy-six thousand, four hundred twenty-three".