202340133121123 has 2 divisors, whose sum is σ = 202340133121124. Its totient is φ = 202340133121122.

The previous prime is 202340133121117. The next prime is 202340133121163. The reversal of 202340133121123 is 321121331043202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202340133121123 is a prime.

It is a super-2 number, since 2×202340133121123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202340133121091 and 202340133121100.

It is not a weakly prime, because it can be changed into another prime (202340133121103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101170066560561 + 101170066560562.

It is an arithmetic number, because the mean of its divisors is an integer number (101170066560562).

Almost surely, 2^{202340133121123} is an apocalyptic number.

202340133121123 is a deficient number, since it is larger than the sum of its proper divisors (1).

202340133121123 is an equidigital number, since it uses as much as digits as its factorization.

202340133121123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 202340133121123 its reverse (321121331043202), we get a palindrome (523461464164325).

The spelling of 202340133121123 in words is "two hundred two trillion, three hundred forty billion, one hundred thirty-three million, one hundred twenty-one thousand, one hundred twenty-three".