143423011 has 2 divisors, whose sum is σ = 143423012. Its totient is φ = 143423010.

The previous prime is 143422987. The next prime is 143423029. The reversal of 143423011 is 110324341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143423011 - 2⁷ = 143422883 is a prime.

It is a super-2 number, since 2×143423011² = 41140320168612242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143423011.

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, 71711505 + 71711506.

It is an arithmetic number, because the mean of its divisors is an integer number (71711506).

Almost surely, 2^143423011 is an apocalyptic number.

143423011 is a deficient number, since it is larger than the sum of its proper divisors (1).

143423011 is an equidigital number, since it uses as much as digits as its factorization.

143423011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 143423011 is about 11975.9346608104. The cubic root of 143423011 is about 523.4472774014.

Adding to 143423011 its reverse (110324341), we get a palindrome (253747352).

The spelling of 143423011 in words is "one hundred forty-three million, four hundred twenty-three thousand, eleven".