203968423 has 2 divisors, whose sum is σ = 203968424. Its totient is φ = 203968422.

The previous prime is 203968411. The next prime is 203968447. The reversal of 203968423 is 324869302.

203968423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203968423 is a prime.

It is a super-2 number, since 2×203968423² = 83206235162213858, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203968483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101984211 + 101984212.

It is an arithmetic number, because the mean of its divisors is an integer number (101984212).

Almost surely, 2^203968423 is an apocalyptic number.

203968423 is a deficient number, since it is larger than the sum of its proper divisors (1).

203968423 is an equidigital number, since it uses as much as digits as its factorization.

203968423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 203968423 is about 14281.7513982004. The cubic root of 203968423 is about 588.6461565282.

The spelling of 203968423 in words is "two hundred three million, nine hundred sixty-eight thousand, four hundred twenty-three".