340233013 has 4 divisors (see below), whose sum is σ = 344539840. Its totient is φ = 335926188.

The previous prime is 340233001. The next prime is 340233031. The reversal of 340233013 is 310332043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340233013 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 (340233613) 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, 2153295 + ... + 2153452.

It is an arithmetic number, because the mean of its divisors is an integer number (86134960).

Almost surely, 2^340233013 is an apocalyptic number.

It is an amenable number.

340233013 is a deficient number, since it is larger than the sum of its proper divisors (4306827).

340233013 is an equidigital number, since it uses as much as digits as its factorization.

340233013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4306826.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 340233013 is about 18445.4062844926. The cubic root of 340233013 is about 698.1126115849.

Adding to 340233013 its reverse (310332043), we get a palindrome (650565056).

The spelling of 340233013 in words is "three hundred forty million, two hundred thirty-three thousand, thirteen".