343023431 has 4 divisors (see below), whose sum is σ = 343108992. Its totient is φ = 342937872.

The previous prime is 343023413. The next prime is 343023497. The reversal of 343023431 is 134320343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134320343 = 103 ⋅1304081.

It is a cyclic number.

It is not a de Polignac number, because 343023431 - 2¹⁴ = 343007047 is a prime.

It is a super-2 number, since 2×343023431² = 235330148430023522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343023397 and 343023406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343023731) 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, 36455 + ... + 44888.

It is an arithmetic number, because the mean of its divisors is an integer number (85777248).

Almost surely, 2^343023431 is an apocalyptic number.

343023431 is a deficient number, since it is larger than the sum of its proper divisors (85561).

343023431 is an equidigital number, since it uses as much as digits as its factorization.

343023431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85560.

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

The square root of 343023431 is about 18520.8917441899. The cubic root of 343023431 is about 700.0159390928.

Adding to 343023431 its reverse (134320343), we get a palindrome (477343774).

The spelling of 343023431 in words is "three hundred forty-three million, twenty-three thousand, four hundred thirty-one".