210240402233 has 2 divisors, whose sum is σ = 210240402234. Its totient is φ = 210240402232.

The previous prime is 210240402223. The next prime is 210240402269. The reversal of 210240402233 is 332204042012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121429250089 + 88811152144 = 348467^2 + 298012^2 .

It is a cyclic number.

It is not a de Polignac number, because 210240402233 - 2⁸ = 210240401977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210240402199 and 210240402208.

It is not a weakly prime, because it can be changed into another prime (210240402223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105120201116 + 105120201117.

It is an arithmetic number, because the mean of its divisors is an integer number (105120201117).

Almost surely, 2^210240402233 is an apocalyptic number.

It is an amenable number.

210240402233 is a deficient number, since it is larger than the sum of its proper divisors (1).

210240402233 is an equidigital number, since it uses as much as digits as its factorization.

210240402233 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 210240402233 its reverse (332204042012), we get a palindrome (542444444245).

The spelling of 210240402233 in words is "two hundred ten billion, two hundred forty million, four hundred two thousand, two hundred thirty-three".