143312423 has 2 divisors, whose sum is σ = 143312424. Its totient is φ = 143312422.

The previous prime is 143312419. The next prime is 143312443. The reversal of 143312423 is 324213341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143312423 - 2² = 143312419 is a prime.

It is a super-2 number, since 2×143312423² = 41076901172261858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143312413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71656211 + 71656212.

It is an arithmetic number, because the mean of its divisors is an integer number (71656212).

Almost surely, 2^143312423 is an apocalyptic number.

143312423 is a deficient number, since it is larger than the sum of its proper divisors (1).

143312423 is an equidigital number, since it uses as much as digits as its factorization.

143312423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 143312423 is about 11971.3166777928. The cubic root of 143312423 is about 523.3127060807.

Adding to 143312423 its reverse (324213341), we get a palindrome (467525764).

The spelling of 143312423 in words is "one hundred forty-three million, three hundred twelve thousand, four hundred twenty-three".