203403201342 has 16 divisors (see below), whose sum is σ = 443788803072. Its totient is φ = 61637333720.

The previous prime is 203403201319. The next prime is 203403201343. The reversal of 203403201342 is 243102304302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203403201343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540933278 + ... + 1540933409.

It is an arithmetic number, because the mean of its divisors is an integer number (27736800192).

Almost surely, 2^203403201342 is an apocalyptic number.

203403201342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203403201342 is an abundant number, since it is smaller than the sum of its proper divisors (240385601730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203403201342 is a wasteful number, since it uses less digits than its factorization.

203403201342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081866703.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 203403201342 its reverse (243102304302), we get a palindrome (446505505644).

The spelling of 203403201342 in words is "two hundred three billion, four hundred three million, two hundred one thousand, three hundred forty-two".