203440342 has 32 divisors (see below), whose sum is σ = 356357952. Its totient is φ = 85307904.

The previous prime is 203440301. The next prime is 203440373. The reversal of 203440342 is 243044302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139288 + ... + 140740.

It is an arithmetic number, because the mean of its divisors is an integer number (11136186).

Almost surely, 2^203440342 is an apocalyptic number.

203440342 is a deficient number, since it is larger than the sum of its proper divisors (152917610).

203440342 is a wasteful number, since it uses less digits than its factorization.

203440342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 203440342 is about 14263.2514525966. The cubic root of 203440342 is about 588.1377093506.

Adding to 203440342 its reverse (243044302), we get a palindrome (446484644).

The spelling of 203440342 in words is "two hundred three million, four hundred forty thousand, three hundred forty-two".