401223141 has 24 divisors (see below), whose sum is σ = 632863296. Its totient is φ = 242922240.

The previous prime is 401223139. The next prime is 401223167. The reversal of 401223141 is 141322104.

401223141 is a `hidden beast` number, since 401 + 223 + 1 + 41 = 666.

It is not a de Polignac number, because 401223141 - 2¹ = 401223139 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401223131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175381 + ... + 177653.

It is an arithmetic number, because the mean of its divisors is an integer number (26369304).

Almost surely, 2^401223141 is an apocalyptic number.

It is an amenable number.

401223141 is a deficient number, since it is larger than the sum of its proper divisors (231640155).

401223141 is a wasteful number, since it uses less digits than its factorization.

401223141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073 (or 4070 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 401223141 is about 20030.5551845175. Note that the first 3 decimals coincide. The cubic root of 401223141 is about 737.5565505234.

Adding to 401223141 its reverse (141322104), we get a palindrome (542545245).

The spelling of 401223141 in words is "four hundred one million, two hundred twenty-three thousand, one hundred forty-one".