203323223233401 has 16 divisors (see below), whose sum is σ = 271565021305344. Its totient is φ = 135315154491264.

The previous prime is 203323223233397. The next prime is 203323223233423. The reversal of 203323223233401 is 104332322323302.

It is a happy number.

It is not a de Polignac number, because 203323223233401 - 2² = 203323223233397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203323223232401) 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 15 ways as a sum of consecutive naturals, for example, 19578445 + ... + 28106261.

It is an arithmetic number, because the mean of its divisors is an integer number (16972813831584).

Almost surely, 2^{203323223233401} is an apocalyptic number.

It is an amenable number.

203323223233401 is a deficient number, since it is larger than the sum of its proper divisors (68241798071943).

203323223233401 is a wasteful number, since it uses less digits than its factorization.

203323223233401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8541520.

The product of its (nonzero) digits is 93312, while the sum is 33.

Adding to 203323223233401 its reverse (104332322323302), we get a palindrome (307655545556703).

The spelling of 203323223233401 in words is "two hundred three trillion, three hundred twenty-three billion, two hundred twenty-three million, two hundred thirty-three thousand, four hundred one".