34203123 has 6 divisors (see below), whose sum is σ = 49404524. Its totient is φ = 22802076.

The previous prime is 34203121. The next prime is 34203157. The reversal of 34203123 is 32130243.

It is not a de Polignac number, because 34203123 - 2¹ = 34203121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34203096 and 34203105.

It is not an unprimeable number, because it can be changed into a prime (34203121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1900165 + ... + 1900182.

Almost surely, 2^34203123 is an apocalyptic number.

34203123 is a deficient number, since it is larger than the sum of its proper divisors (15201401).

34203123 is a wasteful number, since it uses less digits than its factorization.

34203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800353 (or 3800350 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 34203123 is about 5848.3436116562. The cubic root of 34203123 is about 324.6050365772.

Adding to 34203123 its reverse (32130243), we get a palindrome (66333366).

The spelling of 34203123 in words is "thirty-four million, two hundred three thousand, one hundred twenty-three".