203123000223223 has 4 divisors (see below), whose sum is σ = 203250190581880. Its totient is φ = 202995809864568.

The previous prime is 203123000223139. The next prime is 203123000223233. The reversal of 203123000223223 is 322322000321302.

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

It is a cyclic number.

It is not a de Polignac number, because 203123000223223 - 2²¹ = 203122998126071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203123000223233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63595176933 + ... + 63595180126.

It is an arithmetic number, because the mean of its divisors is an integer number (50812547645470).

Almost surely, 2^{203123000223223} is an apocalyptic number.

203123000223223 is a deficient number, since it is larger than the sum of its proper divisors (127190358657).

203123000223223 is a wasteful number, since it uses less digits than its factorization.

203123000223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127190358656.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 203123000223223 its reverse (322322000321302), we get a palindrome (525445000544525).

The spelling of 203123000223223 in words is "two hundred three trillion, one hundred twenty-three billion, two hundred twenty-three thousand, two hundred twenty-three".