213402004043 has 2 divisors, whose sum is σ = 213402004044. Its totient is φ = 213402004042.

The previous prime is 213402004009. The next prime is 213402004061. The reversal of 213402004043 is 340400204312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213402004043 - 2¹⁶ = 213401938507 is a prime.

It is not a weakly prime, because it can be changed into another prime (213402004063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106701002021 + 106701002022.

It is an arithmetic number, because the mean of its divisors is an integer number (106701002022).

Almost surely, 2^213402004043 is an apocalyptic number.

213402004043 is a deficient number, since it is larger than the sum of its proper divisors (1).

213402004043 is an equidigital number, since it uses as much as digits as its factorization.

213402004043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 213402004043 its reverse (340400204312), we get a palindrome (553802208355).

The spelling of 213402004043 in words is "two hundred thirteen billion, four hundred two million, four thousand, forty-three".