8818561123 has 8 divisors (see below), whose sum is σ = 9202980096. Its totient is φ = 8434225800.

The previous prime is 8818561109. The next prime is 8818561133. The reversal of 8818561123 is 3211658188.

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 8818561123 - 2²⁵ = 8785006691 is a prime.

It is a super-2 number, since 2×8818561123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8818561123.

It is not an unprimeable number, because it can be changed into a prime (8818561133) 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, 298488 + ... + 326698.

It is an arithmetic number, because the mean of its divisors is an integer number (1150372512).

Almost surely, 2^8818561123 is an apocalyptic number.

8818561123 is a deficient number, since it is larger than the sum of its proper divisors (384418973).

8818561123 is a wasteful number, since it uses less digits than its factorization.

8818561123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41825.

The product of its digits is 92160, while the sum is 43.

The square root of 8818561123 is about 93907.1942025743. The cubic root of 8818561123 is about 2066.0107477980.

The spelling of 8818561123 in words is "eight billion, eight hundred eighteen million, five hundred sixty-one thousand, one hundred twenty-three".