865723146348 has 24 divisors (see below), whose sum is σ = 2085182632960. Its totient is φ = 279265530960.

The previous prime is 865723146341. The next prime is 865723146403. The reversal of 865723146348 is 843641327568.

It is a happy number.

It is a super-2 number, since 2×865723146348² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (865723146341) 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, 1163606008 + ... + 1163606751.

Almost surely, 2^865723146348 is an apocalyptic number.

It is an amenable number.

865723146348 is an abundant number, since it is smaller than the sum of its proper divisors (1219459486612).

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

865723146348 is a wasteful number, since it uses less digits than its factorization.

865723146348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327212797 (or 2327212795 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The spelling of 865723146348 in words is "eight hundred sixty-five billion, seven hundred twenty-three million, one hundred forty-six thousand, three hundred forty-eight".