204523342 has 4 divisors (see below), whose sum is σ = 306785016. Its totient is φ = 102261670.

The previous prime is 204523339. The next prime is 204523369. The reversal of 204523342 is 243325402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243325402 = 2 ⋅121662701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51130834 + ... + 51130837.

It is an arithmetic number, because the mean of its divisors is an integer number (76696254).

Almost surely, 2^204523342 is an apocalyptic number.

204523342 is a deficient number, since it is larger than the sum of its proper divisors (102261674).

204523342 is a wasteful number, since it uses less digits than its factorization.

204523342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102261673.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 204523342 is about 14301.1657566787. The cubic root of 204523342 is about 589.1794991382.

Adding to 204523342 its reverse (243325402), we get a palindrome (447848744).

The spelling of 204523342 in words is "two hundred four million, five hundred twenty-three thousand, three hundred forty-two".