401223283 has 2 divisors, whose sum is σ = 401223284. Its totient is φ = 401223282.

The previous prime is 401223281. The next prime is 401223451. The reversal of 401223283 is 382322104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401223283 - 2¹ = 401223281 is a prime.

Together with 401223281, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (401223281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200611641 + 200611642.

It is an arithmetic number, because the mean of its divisors is an integer number (200611642).

Almost surely, 2^401223283 is an apocalyptic number.

401223283 is a deficient number, since it is larger than the sum of its proper divisors (1).

401223283 is an equidigital number, since it uses as much as digits as its factorization.

401223283 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 401223283 is about 20030.5587291019. The cubic root of 401223283 is about 737.5566375348.

Adding to 401223283 its reverse (382322104), we get a palindrome (783545387).

The spelling of 401223283 in words is "four hundred one million, two hundred twenty-three thousand, two hundred eighty-three".