203413040240053 has 4 divisors (see below), whose sum is σ = 232472045988640. Its totient is φ = 174354034491468.

The previous prime is 203413040240027. The next prime is 203413040240077. The reversal of 203413040240053 is 350042040314302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203413040240053 - 2¹⁷ = 203413040108981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203413040239997 and 203413040240024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203413040240453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14529502874283 + ... + 14529502874296.

It is an arithmetic number, because the mean of its divisors is an integer number (58118011497160).

Almost surely, 2^{203413040240053} is an apocalyptic number.

It is an amenable number.

203413040240053 is a deficient number, since it is larger than the sum of its proper divisors (29059005748587).

203413040240053 is an equidigital number, since it uses as much as digits as its factorization.

203413040240053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29059005748586.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 203413040240053 its reverse (350042040314302), we get a palindrome (553455080554355).

The spelling of 203413040240053 in words is "two hundred three trillion, four hundred thirteen billion, forty million, two hundred forty thousand, fifty-three".