623796563 has 8 divisors (see below), whose sum is σ = 675536400. Its totient is φ = 572593248.

The previous prime is 623796541. The next prime is 623796577. The reversal of 623796563 is 365697326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 623796563 - 2¹² = 623792467 is a prime.

It is a super-4 number, since 4×623796563⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623706563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131708 + ... + 136361.

It is an arithmetic number, because the mean of its divisors is an integer number (84442050).

Almost surely, 2^623796563 is an apocalyptic number.

623796563 is a deficient number, since it is larger than the sum of its proper divisors (51739837).

623796563 is a wasteful number, since it uses less digits than its factorization.

623796563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268261.

The product of its digits is 1224720, while the sum is 47.

The square root of 623796563 is about 24975.9196627472. The cubic root of 623796563 is about 854.4388611962.

The spelling of 623796563 in words is "six hundred twenty-three million, seven hundred ninety-six thousand, five hundred sixty-three".