340740333403 has 2 divisors, whose sum is σ = 340740333404. Its totient is φ = 340740333402.

The previous prime is 340740333337. The next prime is 340740333433. The reversal of 340740333403 is 304333047043.

It is a strong prime.

It is an emirp because it is prime and its reverse (304333047043) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340740333403 is a prime.

It is a super-2 number, since 2×340740333403² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340740333433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170370166701 + 170370166702.

It is an arithmetic number, because the mean of its divisors is an integer number (170370166702).

Almost surely, 2^340740333403 is an apocalyptic number.

340740333403 is a deficient number, since it is larger than the sum of its proper divisors (1).

340740333403 is an equidigital number, since it uses as much as digits as its factorization.

340740333403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 34.

The spelling of 340740333403 in words is "three hundred forty billion, seven hundred forty million, three hundred thirty-three thousand, four hundred three".