401323223 has 4 divisors (see below), whose sum is σ = 458655120. Its totient is φ = 343991328.

The previous prime is 401323193. The next prime is 401323231. The reversal of 401323223 is 322323104.

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 401323223 - 2²⁶ = 334214359 is a prime.

It is a super-2 number, since 2×401323223² = 322120658638215458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401323195 and 401323204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401323253) 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, 28665938 + ... + 28665951.

It is an arithmetic number, because the mean of its divisors is an integer number (114663780).

Almost surely, 2^401323223 is an apocalyptic number.

401323223 is a deficient number, since it is larger than the sum of its proper divisors (57331897).

401323223 is an equidigital number, since it uses as much as digits as its factorization.

401323223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57331896.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 401323223 is about 20033.0532620467. The cubic root of 401323223 is about 737.6178713450.

Adding to 401323223 its reverse (322323104), we get a palindrome (723646327).

The spelling of 401323223 in words is "four hundred one million, three hundred twenty-three thousand, two hundred twenty-three".