401223432 has 32 divisors (see below), whose sum is σ = 1006282080. Its totient is φ = 133311360.

The previous prime is 401223283. The next prime is 401223451. The reversal of 401223432 is 234322104.

It is a junction number, because it is equal to n+sod(n) for n = 401223399 and 401223408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19194 + ... + 34217.

It is an arithmetic number, because the mean of its divisors is an integer number (31446315).

Almost surely, 2^401223432 is an apocalyptic number.

It is an amenable number.

401223432 is an abundant number, since it is smaller than the sum of its proper divisors (605058648).

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

401223432 is a wasteful number, since it uses less digits than its factorization.

401223432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53733 (or 53729 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 401223432 is about 20030.5624484187. The cubic root of 401223432 is about 737.5567288356.

Adding to 401223432 its reverse (234322104), we get a palindrome (635545536).

The spelling of 401223432 in words is "four hundred one million, two hundred twenty-three thousand, four hundred thirty-two".