142203423211 has 2 divisors, whose sum is σ = 142203423212. Its totient is φ = 142203423210.

The previous prime is 142203423191. The next prime is 142203423223. The reversal of 142203423211 is 112324302241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142203423211 is a prime.

It is a super-3 number, since 3×142203423211³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (142203423311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71101711605 + 71101711606.

It is an arithmetic number, because the mean of its divisors is an integer number (71101711606).

Almost surely, 2^142203423211 is an apocalyptic number.

142203423211 is a deficient number, since it is larger than the sum of its proper divisors (1).

142203423211 is an equidigital number, since it uses as much as digits as its factorization.

142203423211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 142203423211 its reverse (112324302241), we get a palindrome (254527725452).

The spelling of 142203423211 in words is "one hundred forty-two billion, two hundred three million, four hundred twenty-three thousand, two hundred eleven".