345112783 has 2 divisors, whose sum is σ = 345112784. Its totient is φ = 345112782.

The previous prime is 345112759. The next prime is 345112799. The reversal of 345112783 is 387211543.

It is a strong prime.

It is an emirp because it is prime and its reverse (387211543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345112783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345112583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172556391 + 172556392.

It is an arithmetic number, because the mean of its divisors is an integer number (172556392).

Almost surely, 2^345112783 is an apocalyptic number.

345112783 is a deficient number, since it is larger than the sum of its proper divisors (1).

345112783 is an equidigital number, since it uses as much as digits as its factorization.

345112783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 345112783 is about 18577.2113892263. The cubic root of 345112783 is about 701.4343263509.

The spelling of 345112783 in words is "three hundred forty-five million, one hundred twelve thousand, seven hundred eighty-three".