343631423 has 4 divisors (see below), whose sum is σ = 343710408. Its totient is φ = 343552440.

The previous prime is 343631377. The next prime is 343631437. The reversal of 343631423 is 324136343.

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 343631423 - 2¹⁴ = 343615039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343631023) 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, 32561 + ... + 41802.

It is an arithmetic number, because the mean of its divisors is an integer number (85927602).

Almost surely, 2^343631423 is an apocalyptic number.

343631423 is a deficient number, since it is larger than the sum of its proper divisors (78985).

343631423 is an equidigital number, since it uses as much as digits as its factorization.

343631423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78984.

The product of its digits is 15552, while the sum is 29.

The square root of 343631423 is about 18537.2981580380. The cubic root of 343631423 is about 700.4292761477.

Adding to 343631423 its reverse (324136343), we get a palindrome (667767766).

The spelling of 343631423 in words is "three hundred forty-three million, six hundred thirty-one thousand, four hundred twenty-three".