567661423 has 24 divisors (see below), whose sum is σ = 697803120. Its totient is φ = 459164160.

The previous prime is 567661417. The next prime is 567661439. The reversal of 567661423 is 324166765.

It is not a de Polignac number, because 567661423 - 2¹³ = 567653231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (567661403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271743 + ... + 273823.

It is an arithmetic number, because the mean of its divisors is an integer number (29075130).

Almost surely, 2^567661423 is an apocalyptic number.

567661423 is a deficient number, since it is larger than the sum of its proper divisors (130141697).

567661423 is a wasteful number, since it uses less digits than its factorization.

567661423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407 (or 2400 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 567661423 is about 23825.6463291135. The cubic root of 567661423 is about 827.9989648715.

The spelling of 567661423 in words is "five hundred sixty-seven million, six hundred sixty-one thousand, four hundred twenty-three".