213132213023 has 2 divisors, whose sum is σ = 213132213024. Its totient is φ = 213132213022.

The previous prime is 213132212981. The next prime is 213132213037. The reversal of 213132213023 is 320312231312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213132213023 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213132213023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213132213523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106566106511 + 106566106512.

It is an arithmetic number, because the mean of its divisors is an integer number (106566106512).

Almost surely, 2^213132213023 is an apocalyptic number.

213132213023 is a deficient number, since it is larger than the sum of its proper divisors (1).

213132213023 is an equidigital number, since it uses as much as digits as its factorization.

213132213023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213132213023 its reverse (320312231312), we get a palindrome (533444444335).

The spelling of 213132213023 in words is "two hundred thirteen billion, one hundred thirty-two million, two hundred thirteen thousand, twenty-three".