203023215441 has 12 divisors (see below), whose sum is σ = 293363250180. Its totient is φ = 135299197440.

The previous prime is 203023215389. The next prime is 203023215481. The reversal of 203023215441 is 144512320302.

203023215441 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 2 + 3 + 215 + 441 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 161978076225 + 41045139216 = 402465^2 + 202596^2 .

It is not a de Polignac number, because 203023215441 - 2²⁵ = 202989661009 is a prime.

It is a super-3 number, since 3×203023215441³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (203023215481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4108480 + ... + 4157601.

It is an arithmetic number, because the mean of its divisors is an integer number (24446937515).

Almost surely, 2^203023215441 is an apocalyptic number.

It is an amenable number.

203023215441 is a deficient number, since it is larger than the sum of its proper divisors (90340034739).

203023215441 is a wasteful number, since it uses less digits than its factorization.

203023215441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8268816 (or 8268813 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 203023215441 its reverse (144512320302), we get a palindrome (347535535743).

The spelling of 203023215441 in words is "two hundred three billion, twenty-three million, two hundred fifteen thousand, four hundred forty-one".