203150423 has 12 divisors (see below), whose sum is σ = 244468440. Its totient is φ = 168123312.

The previous prime is 203150419. The next prime is 203150473. The reversal of 203150423 is 324051302.

It is a happy number.

It is not a de Polignac number, because 203150423 - 2² = 203150419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203150395 and 203150404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203150473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70061 + ... + 72902.

It is an arithmetic number, because the mean of its divisors is an integer number (20372370).

Almost surely, 2^203150423 is an apocalyptic number.

203150423 is a deficient number, since it is larger than the sum of its proper divisors (41318017).

203150423 is a wasteful number, since it uses less digits than its factorization.

203150423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143006 (or 142999 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 203150423 is about 14253.0846836746. The cubic root of 203150423 is about 587.8581952073.

The spelling of 203150423 in words is "two hundred three million, one hundred fifty thousand, four hundred twenty-three".