143221210123 has 2 divisors, whose sum is σ = 143221210124. Its totient is φ = 143221210122.

The previous prime is 143221210091. The next prime is 143221210199. The reversal of 143221210123 is 321012122341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143221210123 - 2⁵ = 143221210091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143221210094 and 143221210103.

It is not a weakly prime, because it can be changed into another prime (143221210423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71610605061 + 71610605062.

It is an arithmetic number, because the mean of its divisors is an integer number (71610605062).

Almost surely, 2^143221210123 is an apocalyptic number.

143221210123 is a deficient number, since it is larger than the sum of its proper divisors (1).

143221210123 is an equidigital number, since it uses as much as digits as its factorization.

143221210123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 143221210123 its reverse (321012122341), we get a palindrome (464233332464).

The spelling of 143221210123 in words is "one hundred forty-three billion, two hundred twenty-one million, two hundred ten thousand, one hundred twenty-three".