523842338 has 4 divisors (see below), whose sum is σ = 785763510. Its totient is φ = 261921168.

The previous prime is 523842313. The next prime is 523842353. The reversal of 523842338 is 833248325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 407353489 + 116488849 = 20183^2 + 10793^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130960583 + ... + 130960586.

Almost surely, 2^523842338 is an apocalyptic number.

523842338 is a deficient number, since it is larger than the sum of its proper divisors (261921172).

523842338 is a wasteful number, since it uses less digits than its factorization.

523842338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261921171.

The product of its digits is 138240, while the sum is 38.

The square root of 523842338 is about 22887.6022772155. The cubic root of 523842338 is about 806.1209326637.

The spelling of 523842338 in words is "five hundred twenty-three million, eight hundred forty-two thousand, three hundred thirty-eight".