401323236 has 12 divisors (see below), whose sum is σ = 936420912. Its totient is φ = 133774408.

The previous prime is 401323231. The next prime is 401323253. The reversal of 401323236 is 632323104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×401323236² = 322120679507023392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401323231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16721790 + ... + 16721813.

It is an arithmetic number, because the mean of its divisors is an integer number (78035076).

Almost surely, 2^401323236 is an apocalyptic number.

It is an amenable number.

401323236 is an abundant number, since it is smaller than the sum of its proper divisors (535097676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401323236 is a wasteful number, since it uses less digits than its factorization.

401323236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33443610 (or 33443608 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 401323236 is about 20033.0535865105. The cubic root of 401323236 is about 737.6178793095.

The spelling of 401323236 in words is "four hundred one million, three hundred twenty-three thousand, two hundred thirty-six".