231876819648 has 252 divisors, whose sum is σ = 693058312128. Its totient is φ = 74044938240.

The previous prime is 231876819637. The next prime is 231876819661. The reversal of 231876819648 is 846918678132.

It is a super-2 number, since 2×231876819648² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 212146590 + ... + 212147682.

Almost surely, 2^231876819648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231876819648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346529156064).

231876819648 is an abundant number, since it is smaller than the sum of its proper divisors (461181492480).

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

231876819648 is a wasteful number, since it uses less digits than its factorization.

231876819648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360 (or 1238 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The spelling of 231876819648 in words is "two hundred thirty-one billion, eight hundred seventy-six million, eight hundred nineteen thousand, six hundred forty-eight".