401323205 has 12 divisors (see below), whose sum is σ = 503440140. Its totient is φ = 307097472.

The previous prime is 401323193. The next prime is 401323231. The reversal of 401323205 is 502323104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 143592289 + 257730916 = 11983^2 + 16054^2 .

It is not a de Polignac number, because 401323205 - 2⁸ = 401322949 is a prime.

It is a super-2 number, since 2×401323205² = 322120629742944050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73220 + ... + 78509.

It is an arithmetic number, because the mean of its divisors is an integer number (41953345).

Almost surely, 2^401323205 is an apocalyptic number.

It is an amenable number.

401323205 is a deficient number, since it is larger than the sum of its proper divisors (102116935).

401323205 is a wasteful number, since it uses less digits than its factorization.

401323205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151780 (or 151757 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 401323205 is about 20033.0528127892. The cubic root of 401323205 is about 737.6178603172.

Adding to 401323205 its reverse (502323104), we get a palindrome (903646309).

The spelling of 401323205 in words is "four hundred one million, three hundred twenty-three thousand, two hundred five".