203101423 has 24 divisors (see below), whose sum is σ = 242300160. Its totient is φ = 169691760.

The previous prime is 203101417. The next prime is 203101433. The reversal of 203101423 is 324101302.

It is a happy number.

It is not a de Polignac number, because 203101423 - 2¹⁷ = 202970351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203101397 and 203101406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203101433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471018 + ... + 471448.

It is an arithmetic number, because the mean of its divisors is an integer number (10095840).

Almost surely, 2^203101423 is an apocalyptic number.

203101423 is a deficient number, since it is larger than the sum of its proper divisors (39198737).

203101423 is a wasteful number, since it uses less digits than its factorization.

203101423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 203101423 is about 14251.3656538593. The cubic root of 203101423 is about 587.8109274941.

Adding to 203101423 its reverse (324101302), we get a palindrome (527202725).

The spelling of 203101423 in words is "two hundred three million, one hundred one thousand, four hundred twenty-three".