340011243 has 64 divisors (see below), whose sum is σ = 599477760. Its totient is φ = 187747200.

The previous prime is 340011227. The next prime is 340011247. The reversal of 340011243 is 342110043.

It is not a de Polignac number, because 340011243 - 2⁴ = 340011227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340011247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 319933 + ... + 320993.

It is an arithmetic number, because the mean of its divisors is an integer number (9366840).

Almost surely, 2^340011243 is an apocalyptic number.

340011243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

340011243 is a deficient number, since it is larger than the sum of its proper divisors (259466517).

340011243 is a wasteful number, since it uses less digits than its factorization.

340011243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 340011243 is about 18439.3937807077. The cubic root of 340011243 is about 697.9608978295.

Adding to 340011243 its reverse (342110043), we get a palindrome (682121286).

The spelling of 340011243 in words is "three hundred forty million, eleven thousand, two hundred forty-three".