203123142283 has 2 divisors, whose sum is σ = 203123142284. Its totient is φ = 203123142282.

The previous prime is 203123142199. The next prime is 203123142289. The reversal of 203123142283 is 382241321302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203123142283 - 2¹³ = 203123134091 is a prime.

It is a super-3 number, since 3×203123142283³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (203123142289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101561571141 + 101561571142.

It is an arithmetic number, because the mean of its divisors is an integer number (101561571142).

Almost surely, 2^203123142283 is an apocalyptic number.

203123142283 is a deficient number, since it is larger than the sum of its proper divisors (1).

203123142283 is an equidigital number, since it uses as much as digits as its factorization.

203123142283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 203123142283 its reverse (382241321302), we get a palindrome (585364463585).

The spelling of 203123142283 in words is "two hundred three billion, one hundred twenty-three million, one hundred forty-two thousand, two hundred eighty-three".