345888373 has 2 divisors, whose sum is σ = 345888374. Its totient is φ = 345888372.

The previous prime is 345888353. The next prime is 345888377. The reversal of 345888373 is 373888543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303351889 + 42536484 = 17417^2 + 6522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345888373 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345888377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172944186 + 172944187.

It is an arithmetic number, because the mean of its divisors is an integer number (172944187).

Almost surely, 2^345888373 is an apocalyptic number.

It is an amenable number.

345888373 is a deficient number, since it is larger than the sum of its proper divisors (1).

345888373 is an equidigital number, since it uses as much as digits as its factorization.

345888373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 49.

The square root of 345888373 is about 18598.0744433396. The cubic root of 345888373 is about 701.9593898906.

The spelling of 345888373 in words is "three hundred forty-five million, eight hundred eighty-eight thousand, three hundred seventy-three".