340263373 has 2 divisors, whose sum is σ = 340263374. Its totient is φ = 340263372.

The previous prime is 340263331. The next prime is 340263377. The reversal of 340263373 is 373362043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315879529 + 24383844 = 17773^2 + 4938^2 .

It is a cyclic number.

It is not a de Polignac number, because 340263373 - 2²¹ = 338166221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340263377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170131686 + 170131687.

It is an arithmetic number, because the mean of its divisors is an integer number (170131687).

Almost surely, 2^340263373 is an apocalyptic number.

It is an amenable number.

340263373 is a deficient number, since it is larger than the sum of its proper divisors (1).

340263373 is an equidigital number, since it uses as much as digits as its factorization.

340263373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 31.

The square root of 340263373 is about 18446.2292352665. The cubic root of 340263373 is about 698.1333758530.

The spelling of 340263373 in words is "three hundred forty million, two hundred sixty-three thousand, three hundred seventy-three".