203104320023 has 16 divisors (see below), whose sum is σ = 227055013920. Its totient is φ = 180071347200.

The previous prime is 203104319981. The next prime is 203104320049. The reversal of 203104320023 is 320023401302.

It is a cyclic number.

It is not a de Polignac number, because 203104320023 - 2¹⁰ = 203104318999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203104319977 and 203104320004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203104320323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180943 + ... + 1341951.

It is an arithmetic number, because the mean of its divisors is an integer number (14190938370).

Almost surely, 2^203104320023 is an apocalyptic number.

203104320023 is a deficient number, since it is larger than the sum of its proper divisors (23950693897).

203104320023 is a wasteful number, since it uses less digits than its factorization.

203104320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163858.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 203104320023 its reverse (320023401302), we get a palindrome (523127721325).

The spelling of 203104320023 in words is "two hundred three billion, one hundred four million, three hundred twenty thousand, twenty-three".