210133557323 has 2 divisors, whose sum is σ = 210133557324. Its totient is φ = 210133557322.

The previous prime is 210133557299. The next prime is 210133557383. The reversal of 210133557323 is 323755331012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210133557323 - 2¹⁰ = 210133556299 is a prime.

It is a super-2 number, since 2×210133557323² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210133557383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105066778661 + 105066778662.

It is an arithmetic number, because the mean of its divisors is an integer number (105066778662).

Almost surely, 2^210133557323 is an apocalyptic number.

210133557323 is a deficient number, since it is larger than the sum of its proper divisors (1).

210133557323 is an equidigital number, since it uses as much as digits as its factorization.

210133557323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 35.

Adding to 210133557323 its reverse (323755331012), we get a palindrome (533888888335).

The spelling of 210133557323 in words is "two hundred ten billion, one hundred thirty-three million, five hundred fifty-seven thousand, three hundred twenty-three".