18613052823 has 8 divisors (see below), whose sum is σ = 24851923200. Its totient is φ = 12391442168.

The previous prime is 18613052813. The next prime is 18613052849. The reversal of 18613052823 is 32825031681.

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 18613052823 - 2⁴ = 18613052807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18613052813) 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, 4312413 + ... + 4316726.

It is an arithmetic number, because the mean of its divisors is an integer number (3106490400).

Almost surely, 2^18613052823 is an apocalyptic number.

18613052823 is a deficient number, since it is larger than the sum of its proper divisors (6238870377).

18613052823 is an equidigital number, since it uses as much as digits as its factorization.

18613052823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8629861.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 18613052823 in words is "eighteen billion, six hundred thirteen million, fifty-two thousand, eight hundred twenty-three".