143923147 has 2 divisors, whose sum is σ = 143923148. Its totient is φ = 143923146.

The previous prime is 143923141. The next prime is 143923181. The reversal of 143923147 is 741329341.

It is an a-pointer prime, because the next prime (143923181) can be obtained adding 143923147 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143923147 - 2¹⁵ = 143890379 is a prime.

It is not a weakly prime, because it can be changed into another prime (143923141) 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, 71961573 + 71961574.

It is an arithmetic number, because the mean of its divisors is an integer number (71961574).

Almost surely, 2^143923147 is an apocalyptic number.

143923147 is a deficient number, since it is larger than the sum of its proper divisors (1).

143923147 is an equidigital number, since it uses as much as digits as its factorization.

143923147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 143923147 is about 11996.7973642969. The cubic root of 143923147 is about 524.0550160268.

The spelling of 143923147 in words is "one hundred forty-three million, nine hundred twenty-three thousand, one hundred forty-seven".