343145827 has 2 divisors, whose sum is σ = 343145828. Its totient is φ = 343145826.

The previous prime is 343145813. The next prime is 343145899. The reversal of 343145827 is 728541343.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (728541343) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343145827 is a prime.

It is not a weakly prime, because it can be changed into another prime (343140827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171572913 + 171572914.

It is an arithmetic number, because the mean of its divisors is an integer number (171572914).

Almost surely, 2^343145827 is an apocalyptic number.

343145827 is a deficient number, since it is larger than the sum of its proper divisors (1).

343145827 is an equidigital number, since it uses as much as digits as its factorization.

343145827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 343145827 is about 18524.1957180332. The cubic root of 343145827 is about 700.0991879855.

The spelling of 343145827 in words is "three hundred forty-three million, one hundred forty-five thousand, eight hundred twenty-seven".