342383509 has 4 divisors (see below), whose sum is σ = 368720716. Its totient is φ = 316046304.

The previous prime is 342383507. The next prime is 342383521. The reversal of 342383509 is 905383243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 905383243 = 6577 ⋅137659.

It can be written as a sum of positive squares in 2 ways, for example, as 52635025 + 289748484 = 7255^2 + 17022^2 .

It is a cyclic number.

It is not a de Polignac number, because 342383509 - 2¹ = 342383507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342383507) 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, 13168584 + ... + 13168609.

It is an arithmetic number, because the mean of its divisors is an integer number (92180179).

Almost surely, 2^342383509 is an apocalyptic number.

It is an amenable number.

342383509 is a deficient number, since it is larger than the sum of its proper divisors (26337207).

342383509 is a wasteful number, since it uses less digits than its factorization.

342383509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26337206.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 342383509 is about 18503.6079995227. The cubic root of 342383509 is about 699.5803668577.

The spelling of 342383509 in words is "three hundred forty-two million, three hundred eighty-three thousand, five hundred nine".