203734423 has 2 divisors, whose sum is σ = 203734424. Its totient is φ = 203734422.

The previous prime is 203734417. The next prime is 203734537. The reversal of 203734423 is 324437302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203734423 - 2²⁵ = 170179991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203734391 and 203734400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203734123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101867211 + 101867212.

It is an arithmetic number, because the mean of its divisors is an integer number (101867212).

Almost surely, 2^203734423 is an apocalyptic number.

203734423 is a deficient number, since it is larger than the sum of its proper divisors (1).

203734423 is an equidigital number, since it uses as much as digits as its factorization.

203734423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 203734423 is about 14273.5567746795. The cubic root of 203734423 is about 588.4209649570.

The spelling of 203734423 in words is "two hundred three million, seven hundred thirty-four thousand, four hundred twenty-three".