402031444223 has 2 divisors, whose sum is σ = 402031444224. Its totient is φ = 402031444222.

The previous prime is 402031444201. The next prime is 402031444247. The reversal of 402031444223 is 322444130204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402031444223 - 2³⁴ = 384851575039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402031144223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201015722111 + 201015722112.

It is an arithmetic number, because the mean of its divisors is an integer number (201015722112).

Almost surely, 2^402031444223 is an apocalyptic number.

402031444223 is a deficient number, since it is larger than the sum of its proper divisors (1).

402031444223 is an equidigital number, since it uses as much as digits as its factorization.

402031444223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 402031444223 its reverse (322444130204), we get a palindrome (724475574427).

The spelling of 402031444223 in words is "four hundred two billion, thirty-one million, four hundred forty-four thousand, two hundred twenty-three".