210203555350423 has 6 divisors (see below), whose sum is σ = 210256572488856. Its totient is φ = 210150551577132.

The previous prime is 210203555350339. The next prime is 210203555350471. The reversal of 210203555350423 is 324053555302012.

It is a de Polignac number, because none of the positive numbers 2^k-210203555350423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210203555350123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9058486 + ... + 22415692.

It is an arithmetic number, because the mean of its divisors is an integer number (35042762081476).

Almost surely, 2^{210203555350423} is an apocalyptic number.

210203555350423 is a deficient number, since it is larger than the sum of its proper divisors (53017138433).

210203555350423 is an frugal number, since it uses more digits than its factorization.

210203555350423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13365141 (or 13361174 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 210203555350423 in words is "two hundred ten trillion, two hundred three billion, five hundred fifty-five million, three hundred fifty thousand, four hundred twenty-three".