18523083434 has 8 divisors (see below), whose sum is σ = 27788092740. Its totient is φ = 9260385856.

The previous prime is 18523083407. The next prime is 18523083461. The reversal of 18523083434 is 43438032581.

18523083434 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (18523083407) and next prime (18523083461).

It can be written as a sum of positive squares in 2 ways, for example, as 9930720409 + 8592363025 = 99653^2 + 92695^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 18523083391 and 18523083400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557759 + ... + 590034.

Almost surely, 2^18523083434 is an apocalyptic number.

18523083434 is a deficient number, since it is larger than the sum of its proper divisors (9265009306).

18523083434 is a wasteful number, since it uses less digits than its factorization.

18523083434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155864.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 18523083434 in words is "eighteen billion, five hundred twenty-three million, eighty-three thousand, four hundred thirty-four".