213432123341 has 4 divisors (see below), whose sum is σ = 216355851132. Its totient is φ = 210508395552.

The previous prime is 213432123323. The next prime is 213432123383. The reversal of 213432123341 is 143321234312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46126582441 + 167305540900 = 214771^2 + 409030^2 .

It is a cyclic number.

It is not a de Polignac number, because 213432123341 - 2¹⁰ = 213432122317 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 (213432123041) 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 in 3 ways as a sum of consecutive naturals, for example, 1461863786 + ... + 1461863931.

It is an arithmetic number, because the mean of its divisors is an integer number (54088962783).

Almost surely, 2^213432123341 is an apocalyptic number.

It is an amenable number.

213432123341 is a deficient number, since it is larger than the sum of its proper divisors (2923727791).

213432123341 is an equidigital number, since it uses as much as digits as its factorization.

213432123341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923727790.

The product of its digits is 10368, while the sum is 29.

Adding to 213432123341 its reverse (143321234312), we get a palindrome (356753357653).

The spelling of 213432123341 in words is "two hundred thirteen billion, four hundred thirty-two million, one hundred twenty-three thousand, three hundred forty-one".