203323414400101 has 4 divisors (see below), whose sum is σ = 205188766825900. Its totient is φ = 201458061974304.

The previous prime is 203323414400063. The next prime is 203323414400123. The reversal of 203323414400101 is 101004414323302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58113925316001 + 145209489084100 = 7623249^2 + 12050290^2 .

It is a cyclic number.

It is not a de Polignac number, because 203323414400101 - 2¹¹ = 203323414398053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203323414400101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203323414400201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932676212736 + ... + 932676212953.

It is an arithmetic number, because the mean of its divisors is an integer number (51297191706475).

Almost surely, 2^{203323414400101} is an apocalyptic number.

It is an amenable number.

203323414400101 is a deficient number, since it is larger than the sum of its proper divisors (1865352425799).

203323414400101 is a wasteful number, since it uses less digits than its factorization.

203323414400101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865352425798.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 203323414400101 its reverse (101004414323302), we get a palindrome (304327828723403).

The spelling of 203323414400101 in words is "two hundred three trillion, three hundred twenty-three billion, four hundred fourteen million, four hundred thousand, one hundred one".