213041405423203 has 6 divisors (see below), whose sum is σ = 247823675696436. Its totient is φ = 182606918934132.

The previous prime is 213041405423183. The next prime is 213041405423257. The reversal of 213041405423203 is 302324504140312.

It is not a de Polignac number, because 213041405423203 - 2²¹ = 213041403326051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213041405423303) 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, 2173891892025 + ... + 2173891892122.

It is an arithmetic number, because the mean of its divisors is an integer number (41303945949406).

Almost surely, 2^{213041405423203} is an apocalyptic number.

213041405423203 is a deficient number, since it is larger than the sum of its proper divisors (34782270273233).

213041405423203 is an equidigital number, since it uses as much as digits as its factorization.

213041405423203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347783784161 (or 4347783784154 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 213041405423203 its reverse (302324504140312), we get a palindrome (515365909563515).

The spelling of 213041405423203 in words is "two hundred thirteen trillion, forty-one billion, four hundred five million, four hundred twenty-three thousand, two hundred three".