232143493 has 2 divisors, whose sum is σ = 232143494. Its totient is φ = 232143492.

The previous prime is 232143467. The next prime is 232143529. The reversal of 232143493 is 394341232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220433409 + 11710084 = 14847^2 + 3422^2 .

It is a cyclic number.

It is not a de Polignac number, because 232143493 - 2¹⁷ = 232012421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232143403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116071746 + 116071747.

It is an arithmetic number, because the mean of its divisors is an integer number (116071747).

Almost surely, 2^232143493 is an apocalyptic number.

It is an amenable number.

232143493 is a deficient number, since it is larger than the sum of its proper divisors (1).

232143493 is an equidigital number, since it uses as much as digits as its factorization.

232143493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The square root of 232143493 is about 15236.2558720967. The cubic root of 232143493 is about 614.5900217748.

The spelling of 232143493 in words is "two hundred thirty-two million, one hundred forty-three thousand, four hundred ninety-three".