401042223 has 24 divisors (see below), whose sum is σ = 629944848. Its totient is φ = 244829952.

The previous prime is 401042207. The next prime is 401042231. The reversal of 401042223 is 322240104.

401042223 is a `hidden beast` number, since 401 + 0 + 42 + 223 = 666.

It is not a de Polignac number, because 401042223 - 2⁴ = 401042207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401042196 and 401042205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401042923) 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, 29761 + ... + 41082.

It is an arithmetic number, because the mean of its divisors is an integer number (26247702).

Almost surely, 2^401042223 is an apocalyptic number.

401042223 is a deficient number, since it is larger than the sum of its proper divisors (228902625).

401042223 is a wasteful number, since it uses less digits than its factorization.

401042223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70903 (or 70900 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 401042223 is about 20026.0386247505. The cubic root of 401042223 is about 737.4456751328.

Adding to 401042223 its reverse (322240104), we get a palindrome (723282327).

The spelling of 401042223 in words is "four hundred one million, forty-two thousand, two hundred twenty-three".