340012303 has 4 divisors (see below), whose sum is σ = 348305328. Its totient is φ = 331719280.

The previous prime is 340012273. The next prime is 340012333. The reversal of 340012303 is 303210043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303210043 = 167 ⋅1815629.

It is an interprime number because it is at equal distance from previous prime (340012273) and next prime (340012333).

It is a cyclic number.

It is not a de Polignac number, because 340012303 - 2²⁵ = 306457871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340012333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4146451 + ... + 4146532.

It is an arithmetic number, because the mean of its divisors is an integer number (87076332).

Almost surely, 2^340012303 is an apocalyptic number.

340012303 is a deficient number, since it is larger than the sum of its proper divisors (8293025).

340012303 is an equidigital number, since it uses as much as digits as its factorization.

340012303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293024.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 340012303 is about 18439.4225234957. The cubic root of 340012303 is about 697.9616231367.

Adding to 340012303 its reverse (303210043), we get a palindrome (643222346).

The spelling of 340012303 in words is "three hundred forty million, twelve thousand, three hundred three".