211203211404423 has 16 divisors (see below), whose sum is σ = 322760938970880. Its totient is φ = 120339746633856.

The previous prime is 211203211404421. The next prime is 211203211404433. The reversal of 211203211404423 is 324404112302112.

It is a happy number.

It is not a de Polignac number, because 211203211404423 - 2¹ = 211203211404421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211203211404421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14491773378 + ... + 14491787951.

It is an arithmetic number, because the mean of its divisors is an integer number (20172558685680).

Almost surely, 2^{211203211404423} is an apocalyptic number.

211203211404423 is a deficient number, since it is larger than the sum of its proper divisors (111557727566457).

211203211404423 is a wasteful number, since it uses less digits than its factorization.

211203211404423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28983561686.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 211203211404423 its reverse (324404112302112), we get a palindrome (535607323706535).

The spelling of 211203211404423 in words is "two hundred eleven trillion, two hundred three billion, two hundred eleven million, four hundred four thousand, four hundred twenty-three".