401322403 has 2 divisors, whose sum is σ = 401322404. Its totient is φ = 401322402.

The previous prime is 401322371. The next prime is 401322419. The reversal of 401322403 is 304223104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401322403 - 2⁵ = 401322371 is a prime.

It is a super-2 number, since 2×401322403² = 322119342299388818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401322203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200661201 + 200661202.

It is an arithmetic number, because the mean of its divisors is an integer number (200661202).

Almost surely, 2^401322403 is an apocalyptic number.

401322403 is a deficient number, since it is larger than the sum of its proper divisors (1).

401322403 is an equidigital number, since it uses as much as digits as its factorization.

401322403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 401322403 is about 20033.0327958599. The cubic root of 401322403 is about 737.6173689676.

Adding to 401322403 its reverse (304223104), we get a palindrome (705545507).

The spelling of 401322403 in words is "four hundred one million, three hundred twenty-two thousand, four hundred three".