18641341123 has 8 divisors (see below), whose sum is σ = 20078801600. Its totient is φ = 17249514408.

The previous prime is 18641341091. The next prime is 18641341127. The reversal of 18641341123 is 32114314681.

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 18641341123 - 2⁵ = 18641341091 is a prime.

It is a super-2 number, since 2×18641341123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18641341127) 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, 11407593 + ... + 11409226.

It is an arithmetic number, because the mean of its divisors is an integer number (2509850200).

Almost surely, 2^18641341123 is an apocalyptic number.

18641341123 is a deficient number, since it is larger than the sum of its proper divisors (1437460477).

18641341123 is a wasteful number, since it uses less digits than its factorization.

18641341123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22816881.

The product of its digits is 13824, while the sum is 34.

The spelling of 18641341123 in words is "eighteen billion, six hundred forty-one million, three hundred forty-one thousand, one hundred twenty-three".