401254223 has 4 divisors (see below), whose sum is σ = 407243160. Its totient is φ = 395265288.

The previous prime is 401254207. The next prime is 401254241. The reversal of 401254223 is 322452104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401254223 - 2⁴ = 401254207 is a prime.

It is a super-2 number, since 2×401254223² = 322009902950667458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401254123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2994368 + ... + 2994501.

It is an arithmetic number, because the mean of its divisors is an integer number (101810790).

Almost surely, 2^401254223 is an apocalyptic number.

401254223 is a deficient number, since it is larger than the sum of its proper divisors (5988937).

401254223 is an equidigital number, since it uses as much as digits as its factorization.

401254223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5988936.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 401254223 is about 20031.3310341575. The cubic root of 401254223 is about 737.5755957366.

The spelling of 401254223 in words is "four hundred one million, two hundred fifty-four thousand, two hundred twenty-three".