203413122144 has 72 divisors (see below), whose sum is σ = 578516898960. Its totient is φ = 67797243648.

The previous prime is 203413122137. The next prime is 203413122149. The reversal of 203413122144 is 441221314302.

203413122144 is a `hidden beast` number, since 2 + 0 + 341 + 312 + 2 + 1 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203413122149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3193197 + ... + 3256275.

It is an arithmetic number, because the mean of its divisors is an integer number (8034956930).

Almost surely, 2^203413122144 is an apocalyptic number.

203413122144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

203413122144 is an abundant number, since it is smaller than the sum of its proper divisors (375103776816).

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

203413122144 is a wasteful number, since it uses less digits than its factorization.

203413122144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74292 (or 74281 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 203413122144 its reverse (441221314302), we get a palindrome (644634436446).

The spelling of 203413122144 in words is "two hundred three billion, four hundred thirteen million, one hundred twenty-two thousand, one hundred forty-four".