23187685734 has 24 divisors (see below), whose sum is σ = 50248843632. Its totient is φ = 7727865840.

The previous prime is 23187685663. The next prime is 23187685769. The reversal of 23187685734 is 43758678132.

It is a happy number.

23187685734 is a `hidden beast` number, since 2 + 3 + 1 + 8 + 7 + 68 + 573 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5874 + ... + 215429.

It is an arithmetic number, because the mean of its divisors is an integer number (2093701818).

Almost surely, 2^23187685734 is an apocalyptic number.

23187685734 is an abundant number, since it is smaller than the sum of its proper divisors (27061157898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23187685734 is a wasteful number, since it uses less digits than its factorization.

23187685734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227132 (or 227129 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 23187685734 in words is "twenty-three billion, one hundred eighty-seven million, six hundred eighty-five thousand, seven hundred thirty-four".