231678067 has 2 divisors, whose sum is σ = 231678068. Its totient is φ = 231678066.

The previous prime is 231678043. The next prime is 231678101. The reversal of 231678067 is 760876132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231678067 - 2¹⁹ = 231153779 is a prime.

It is not a weakly prime, because it can be changed into another prime (231673067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115839033 + 115839034.

It is an arithmetic number, because the mean of its divisors is an integer number (115839034).

Almost surely, 2^231678067 is an apocalyptic number.

231678067 is a deficient number, since it is larger than the sum of its proper divisors (1).

231678067 is an equidigital number, since it uses as much as digits as its factorization.

231678067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 231678067 is about 15220.9745745796. The cubic root of 231678067 is about 614.1790151308.

The spelling of 231678067 in words is "two hundred thirty-one million, six hundred seventy-eight thousand, sixty-seven".