231857945950 has 12 divisors (see below), whose sum is σ = 431255779560. Its totient is φ = 92743178360.

The previous prime is 231857945939. The next prime is 231857945981. The reversal of 231857945950 is 59549758132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2318579410 + ... + 2318579509.

It is an arithmetic number, because the mean of its divisors is an integer number (35937981630).

Almost surely, 2^231857945950 is an apocalyptic number.

231857945950 is a deficient number, since it is larger than the sum of its proper divisors (199397833610).

231857945950 is a wasteful number, since it uses less digits than its factorization.

231857945950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4637158931 (or 4637158926 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 58.

The spelling of 231857945950 in words is "two hundred thirty-one billion, eight hundred fifty-seven million, nine hundred forty-five thousand, nine hundred fifty".