213403413203423 has 16 divisors (see below), whose sum is σ = 215111989984320. Its totient is φ = 211699302297600.

The previous prime is 213403413203419. The next prime is 213403413203569. The reversal of 213403413203423 is 324302314304312.

It is a cyclic number.

It is not a de Polignac number, because 213403413203423 - 2² = 213403413203419 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 (213403413103423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1726768493 + ... + 1726892073.

It is an arithmetic number, because the mean of its divisors is an integer number (13444499374020).

Almost surely, 2^{213403413203423} is an apocalyptic number.

213403413203423 is a deficient number, since it is larger than the sum of its proper divisors (1708576780897).

213403413203423 is a wasteful number, since it uses less digits than its factorization.

213403413203423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141538.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 213403413203423 its reverse (324302314304312), we get a palindrome (537705727507735).

The spelling of 213403413203423 in words is "two hundred thirteen trillion, four hundred three billion, four hundred thirteen million, two hundred three thousand, four hundred twenty-three".