203243422340 has 48 divisors (see below), whose sum is σ = 487904592000. Its totient is φ = 69666262272.

The previous prime is 203243422337. The next prime is 203243422367. The reversal of 203243422340 is 43224342302.

It is a happy number.

It is a super-2 number, since 2×203243422340² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 396776 + ... + 750944.

It is an arithmetic number, because the mean of its divisors is an integer number (10164679000).

Almost surely, 2^203243422340 is an apocalyptic number.

203243422340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203243422340 is an abundant number, since it is smaller than the sum of its proper divisors (284661169660).

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

203243422340 is a wasteful number, since it uses less digits than its factorization.

203243422340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358284 (or 358282 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 203243422340 its reverse (43224342302), we get a palindrome (246467764642).

The spelling of 203243422340 in words is "two hundred three billion, two hundred forty-three million, four hundred twenty-two thousand, three hundred forty".