343342440433 has 4 divisors (see below), whose sum is σ = 343343692260. Its totient is φ = 343341188608.

The previous prime is 343342440367. The next prime is 343342440437. The reversal of 343342440433 is 334044243343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 334044243343 = 31 ⋅10775620753.

It can be written as a sum of positive squares in 2 ways, for example, as 186354529344 + 156987911089 = 431688^2 + 396217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343342440433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343342440392 and 343342440401.

It is not an unprimeable number, because it can be changed into a prime (343342440437) 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, 17128 + ... + 828841.

It is an arithmetic number, because the mean of its divisors is an integer number (85835923065).

Almost surely, 2^343342440433 is an apocalyptic number.

It is an amenable number.

343342440433 is a deficient number, since it is larger than the sum of its proper divisors (1251827).

343342440433 is an equidigital number, since it uses as much as digits as its factorization.

343342440433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251826.

The product of its (nonzero) digits is 497664, while the sum is 37.

Adding to 343342440433 its reverse (334044243343), we get a palindrome (677386683776).

The spelling of 343342440433 in words is "three hundred forty-three billion, three hundred forty-two million, four hundred forty thousand, four hundred thirty-three".