143423057 has 2 divisors, whose sum is σ = 143423058. Its totient is φ = 143423056.

The previous prime is 143423051. The next prime is 143423089. The reversal of 143423057 is 750324341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80442961 + 62980096 = 8969^2 + 7936^2 .

It is a cyclic number.

It is not a de Polignac number, because 143423057 - 2¹⁴ = 143406673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143423051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71711528 + 71711529.

It is an arithmetic number, because the mean of its divisors is an integer number (71711529).

Almost surely, 2^143423057 is an apocalyptic number.

It is an amenable number.

143423057 is a deficient number, since it is larger than the sum of its proper divisors (1).

143423057 is an equidigital number, since it uses as much as digits as its factorization.

143423057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 143423057 is about 11975.9365813284. The cubic root of 143423057 is about 523.4473333631.

Adding to 143423057 its reverse (750324341), we get a palindrome (893747398).

The spelling of 143423057 in words is "one hundred forty-three million, four hundred twenty-three thousand, fifty-seven".