401323343 has 16 divisors (see below), whose sum is σ = 433762560. Its totient is φ = 370353984.

The previous prime is 401323337. The next prime is 401323361. The reversal of 401323343 is 343323104.

It is a cyclic number.

It is not a de Polignac number, because 401323343 - 2⁴ = 401323327 is a prime.

It is a super-2 number, since 2×401323343² = 322120851273391298, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401323313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79643 + ... + 84531.

It is an arithmetic number, because the mean of its divisors is an integer number (27110160).

Almost surely, 2^401323343 is an apocalyptic number.

401323343 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

401323343 is a deficient number, since it is larger than the sum of its proper divisors (32439217).

401323343 is a wasteful number, since it uses less digits than its factorization.

401323343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 401323343 is about 20033.0562570967. The cubic root of 401323343 is about 737.6179448635.

Adding to 401323343 its reverse (343323104), we get a palindrome (744646447).

The spelling of 401323343 in words is "four hundred one million, three hundred twenty-three thousand, three hundred forty-three".