203412655344 has 40 divisors (see below), whose sum is σ = 527161590352. Its totient is φ = 67587586560.

The previous prime is 203412655343. The next prime is 203412655361. The reversal of 203412655344 is 443556214302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203412655343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6754567 + ... + 6784614.

Almost surely, 2^203412655344 is an apocalyptic number.

203412655344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

203412655344 is an abundant number, since it is smaller than the sum of its proper divisors (323748935008).

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

203412655344 is a wasteful number, since it uses less digits than its factorization.

203412655344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13539505 (or 13539499 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 203412655344 its reverse (443556214302), we get a palindrome (646968869646).

The spelling of 203412655344 in words is "two hundred three billion, four hundred twelve million, six hundred fifty-five thousand, three hundred forty-four".