231359123 has 2 divisors, whose sum is σ = 231359124. Its totient is φ = 231359122.

The previous prime is 231359083. The next prime is 231359131. The reversal of 231359123 is 321953132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231359123 - 2⁶ = 231359059 is a prime.

It is equal to p_12713267 and since 231359123 and 12713267 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (231359173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115679561 + 115679562.

It is an arithmetic number, because the mean of its divisors is an integer number (115679562).

Almost surely, 2^231359123 is an apocalyptic number.

231359123 is a deficient number, since it is larger than the sum of its proper divisors (1).

231359123 is an equidigital number, since it uses as much as digits as its factorization.

231359123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 29.

The square root of 231359123 is about 15210.4938447113. The cubic root of 231359123 is about 613.8970453060.

The spelling of 231359123 in words is "two hundred thirty-one million, three hundred fifty-nine thousand, one hundred twenty-three".