402232183 has 2 divisors, whose sum is σ = 402232184. Its totient is φ = 402232182.

The previous prime is 402232177. The next prime is 402232199. The reversal of 402232183 is 381232204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402232183 - 2⁵ = 402232151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402232283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201116091 + 201116092.

It is an arithmetic number, because the mean of its divisors is an integer number (201116092).

Almost surely, 2^402232183 is an apocalyptic number.

402232183 is a deficient number, since it is larger than the sum of its proper divisors (1).

402232183 is an equidigital number, since it uses as much as digits as its factorization.

402232183 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 25.

The square root of 402232183 is about 20055.7269377103. The cubic root of 402232183 is about 738.1743302102.

Adding to 402232183 its reverse (381232204), we get a palindrome (783464387).

The spelling of 402232183 in words is "four hundred two million, two hundred thirty-two thousand, one hundred eighty-three".