203143226200340 has 24 divisors (see below), whose sum is σ = 426611064479712. Its totient is φ = 81255330583200.

The previous prime is 203143226200333. The next prime is 203143226200363. The reversal of 203143226200340 is 43002622341302.

It is a super-2 number, since 2×203143226200340² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203143226200297 and 203143226200306.

It is a congruent number.

It is an unprimeable number.

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, 121643486 + ... + 123302165.

It is an arithmetic number, because the mean of its divisors is an integer number (17775461019988).

Almost surely, 2^{203143226200340} is an apocalyptic number.

203143226200340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203143226200340 is an abundant number, since it is smaller than the sum of its proper divisors (223467838279372).

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

203143226200340 is a wasteful number, since it uses less digits than its factorization.

203143226200340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244987127 (or 244987125 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 203143226200340 its reverse (43002622341302), we get a palindrome (246145848541642).

The spelling of 203143226200340 in words is "two hundred three trillion, one hundred forty-three billion, two hundred twenty-six million, two hundred thousand, three hundred forty".