345125323 has 2 divisors, whose sum is σ = 345125324. Its totient is φ = 345125322.

The previous prime is 345125311. The next prime is 345125369. The reversal of 345125323 is 323521543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345125323 - 2²¹ = 343028171 is a prime.

It is a super-2 number, since 2×345125323² = 238222977151708658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345125291 and 345125300.

It is not a weakly prime, because it can be changed into another prime (345125303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172562661 + 172562662.

It is an arithmetic number, because the mean of its divisors is an integer number (172562662).

Almost surely, 2^345125323 is an apocalyptic number.

345125323 is a deficient number, since it is larger than the sum of its proper divisors (1).

345125323 is an equidigital number, since it uses as much as digits as its factorization.

345125323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 28.

The square root of 345125323 is about 18577.5488964503. The cubic root of 345125323 is about 701.4428220083.

Adding to 345125323 its reverse (323521543), we get a palindrome (668646866).

The spelling of 345125323 in words is "three hundred forty-five million, one hundred twenty-five thousand, three hundred twenty-three".