203411000423 has 2 divisors, whose sum is σ = 203411000424. Its totient is φ = 203411000422.

The previous prime is 203411000411. The next prime is 203411000447. The reversal of 203411000423 is 324000114302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203411000423 - 2²⁰ = 203409951847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203411000395 and 203411000404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203411000483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101705500211 + 101705500212.

It is an arithmetic number, because the mean of its divisors is an integer number (101705500212).

Almost surely, 2^203411000423 is an apocalyptic number.

203411000423 is a deficient number, since it is larger than the sum of its proper divisors (1).

203411000423 is an equidigital number, since it uses as much as digits as its factorization.

203411000423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 203411000423 its reverse (324000114302), we get a palindrome (527411114725).

The spelling of 203411000423 in words is "two hundred three billion, four hundred eleven million, four hundred twenty-three", and thus it is an aban number.