231863678 has 8 divisors (see below), whose sum is σ = 348083568. Its totient is φ = 115835824.

The previous prime is 231863677. The next prime is 231863689. The reversal of 231863678 is 876368132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231863677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44951 + ... + 49842.

It is an arithmetic number, because the mean of its divisors is an integer number (43510446).

Almost surely, 2^231863678 is an apocalyptic number.

231863678 is a deficient number, since it is larger than the sum of its proper divisors (116219890).

231863678 is a wasteful number, since it uses less digits than its factorization.

231863678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96018.

The product of its digits is 290304, while the sum is 44.

The square root of 231863678 is about 15227.0705652795. The cubic root of 231863678 is about 614.3429897251.

The spelling of 231863678 in words is "two hundred thirty-one million, eight hundred sixty-three thousand, six hundred seventy-eight".