42402210233 has 2 divisors, whose sum is σ = 42402210234. Its totient is φ = 42402210232.

The previous prime is 42402210199. The next prime is 42402210239. The reversal of 42402210233 is 33201220424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40287314089 + 2114896144 = 200717^2 + 45988^2 .

It is a cyclic number.

It is not a de Polignac number, because 42402210233 - 2¹² = 42402206137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42402210199 and 42402210208.

It is not a weakly prime, because it can be changed into another prime (42402210239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21201105116 + 21201105117.

It is an arithmetic number, because the mean of its divisors is an integer number (21201105117).

Almost surely, 2^42402210233 is an apocalyptic number.

It is an amenable number.

42402210233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42402210233 is an equidigital number, since it uses as much as digits as its factorization.

42402210233 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 42402210233 its reverse (33201220424), we get a palindrome (75603430657).

The spelling of 42402210233 in words is "forty-two billion, four hundred two million, two hundred ten thousand, two hundred thirty-three".