186423311134 has 4 divisors (see below), whose sum is σ = 279634966704. Its totient is φ = 93211655566.

The previous prime is 186423311117. The next prime is 186423311143. The reversal of 186423311134 is 431113324681.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431113324681 = 13 ⋅33162563437.

It is a junction number, because it is equal to n+sod(n) for n = 186423311093 and 186423311102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46605827782 + ... + 46605827785.

It is an arithmetic number, because the mean of its divisors is an integer number (69908741676).

Almost surely, 2^186423311134 is an apocalyptic number.

186423311134 is a deficient number, since it is larger than the sum of its proper divisors (93211655570).

186423311134 is an equidigital number, since it uses as much as digits as its factorization.

186423311134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93211655569.

The product of its digits is 41472, while the sum is 37.

The spelling of 186423311134 in words is "one hundred eighty-six billion, four hundred twenty-three million, three hundred eleven thousand, one hundred thirty-four".