143023078817 has 2 divisors, whose sum is σ = 143023078818. Its totient is φ = 143023078816.

The previous prime is 143023078799. The next prime is 143023078837. The reversal of 143023078817 is 718870320341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107008148641 + 36014930176 = 327121^2 + 189776^2 .

It is a cyclic number.

It is not a de Polignac number, because 143023078817 - 2¹⁶ = 143023013281 is a prime.

It is not a weakly prime, because it can be changed into another prime (143023078837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71511539408 + 71511539409.

It is an arithmetic number, because the mean of its divisors is an integer number (71511539409).

Almost surely, 2^143023078817 is an apocalyptic number.

It is an amenable number.

143023078817 is a deficient number, since it is larger than the sum of its proper divisors (1).

143023078817 is an equidigital number, since it uses as much as digits as its factorization.

143023078817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 143023078817 in words is "one hundred forty-three billion, twenty-three million, seventy-eight thousand, eight hundred seventeen".