423401343 has 16 divisors (see below), whose sum is σ = 572213376. Its totient is φ = 278439200.

The previous prime is 423401327. The next prime is 423401357. The reversal of 423401343 is 343104324.

It is a cyclic number.

It is not a de Polignac number, because 423401343 - 2⁴ = 423401327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423401243) 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 15 ways as a sum of consecutive naturals, for example, 323296 + ... + 324602.

It is an arithmetic number, because the mean of its divisors is an integer number (35763336).

Almost surely, 2^423401343 is an apocalyptic number.

423401343 is a deficient number, since it is larger than the sum of its proper divisors (148812033).

423401343 is a wasteful number, since it uses less digits than its factorization.

423401343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 423401343 is about 20576.7184701546. The cubic root of 423401343 is about 750.9034109169.

Adding to 423401343 its reverse (343104324), we get a palindrome (766505667).

The spelling of 423401343 in words is "four hundred twenty-three million, four hundred one thousand, three hundred forty-three".