402231232243 has 2 divisors, whose sum is σ = 402231232244. Its totient is φ = 402231232242.

The previous prime is 402231232211. The next prime is 402231232253. The reversal of 402231232243 is 342232132204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402231232243 - 2⁵ = 402231232211 is a prime.

It is a super-2 number, since 2×402231232243² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402231232253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201115616121 + 201115616122.

It is an arithmetic number, because the mean of its divisors is an integer number (201115616122).

Almost surely, 2^402231232243 is an apocalyptic number.

402231232243 is a deficient number, since it is larger than the sum of its proper divisors (1).

402231232243 is an equidigital number, since it uses as much as digits as its factorization.

402231232243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 402231232243 its reverse (342232132204), we get a palindrome (744463364447).

The spelling of 402231232243 in words is "four hundred two billion, two hundred thirty-one million, two hundred thirty-two thousand, two hundred forty-three".