203342534 has 8 divisors (see below), whose sum is σ = 312453288. Its totient is φ = 99191440.

The previous prime is 203342527. The next prime is 203342543. The reversal of 203342534 is 435243302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×203342534² = 82696372267082312, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 1239812 + ... + 1239975.

It is an arithmetic number, because the mean of its divisors is an integer number (39056661).

Almost surely, 2^203342534 is an apocalyptic number.

203342534 is a deficient number, since it is larger than the sum of its proper divisors (109110754).

203342534 is a wasteful number, since it uses less digits than its factorization.

203342534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479830.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 203342534 is about 14259.8223691601. The cubic root of 203342534 is about 588.0434412658.

Adding to 203342534 its reverse (435243302), we get a palindrome (638585836).

The spelling of 203342534 in words is "two hundred three million, three hundred forty-two thousand, five hundred thirty-four".