203342354 has 4 divisors (see below), whose sum is σ = 305013534. Its totient is φ = 101671176.

The previous prime is 203342339. The next prime is 203342357. The reversal of 203342354 is 453243302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 453243302 = 2 ⋅226621651.

It can be written as a sum of positive squares in only one way, i.e., 129846025 + 73496329 = 11395^2 + 8573^2 .

It is a super-2 number, since 2×203342354² = 82696225860522632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203342357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50835587 + ... + 50835590.

Almost surely, 2^203342354 is an apocalyptic number.

203342354 is a deficient number, since it is larger than the sum of its proper divisors (101671180).

203342354 is a wasteful number, since it uses less digits than its factorization.

203342354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101671179.

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

The square root of 203342354 is about 14259.8160577197. The cubic root of 203342354 is about 588.0432677526.

Adding to 203342354 its reverse (453243302), we get a palindrome (656585656).

The spelling of 203342354 in words is "two hundred three million, three hundred forty-two thousand, three hundred fifty-four".