203421341000323 has 2 divisors, whose sum is σ = 203421341000324. Its totient is φ = 203421341000322.

The previous prime is 203421341000299. The next prime is 203421341000329. The reversal of 203421341000323 is 323000143124302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203421341000323 - 2³⁷ = 203283902046851 is a prime.

It is a super-2 number, since 2×203421341000323² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203421341000291 and 203421341000300.

It is not a weakly prime, because it can be changed into another prime (203421341000329) 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 as a sum of consecutive naturals, namely, 101710670500161 + 101710670500162.

It is an arithmetic number, because the mean of its divisors is an integer number (101710670500162).

Almost surely, 2^{203421341000323} is an apocalyptic number.

203421341000323 is a deficient number, since it is larger than the sum of its proper divisors (1).

203421341000323 is an equidigital number, since it uses as much as digits as its factorization.

203421341000323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203421341000323 its reverse (323000143124302), we get a palindrome (526421484124625).

The spelling of 203421341000323 in words is "two hundred three trillion, four hundred twenty-one billion, three hundred forty-one million, three hundred twenty-three", and thus it is an aban number.