203423042 has 16 divisors (see below), whose sum is σ = 307152000. Its totient is φ = 101041920.

The previous prime is 203423029. The next prime is 203423069. The reversal of 203423042 is 240324302.

It is a super-3 number, since 3×203423042³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322067 + ... + 322697.

It is an arithmetic number, because the mean of its divisors is an integer number (19197000).

Almost surely, 2^203423042 is an apocalyptic number.

203423042 is a deficient number, since it is larger than the sum of its proper divisors (103728958).

203423042 is a wasteful number, since it uses less digits than its factorization.

203423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 203423042 is about 14262.6449861167. The cubic root of 203423042 is about 588.1210376805.

Adding to 203423042 its reverse (240324302), we get a palindrome (443747344).

The spelling of 203423042 in words is "two hundred three million, four hundred twenty-three thousand, forty-two".