503233123 has 4 divisors (see below), whose sum is σ = 525112848. Its totient is φ = 481353400.

The previous prime is 503233117. The next prime is 503233127. The reversal of 503233123 is 321332305.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 503233123 - 2¹⁷ = 503102051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503233094 and 503233103.

It is not an unprimeable number, because it can be changed into a prime (503233127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10939828 + ... + 10939873.

It is an arithmetic number, because the mean of its divisors is an integer number (131278212).

Almost surely, 2^503233123 is an apocalyptic number.

503233123 is a deficient number, since it is larger than the sum of its proper divisors (21879725).

503233123 is a wasteful number, since it uses less digits than its factorization.

503233123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21879724.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 503233123 is about 22432.8581103702. The cubic root of 503233123 is about 795.4076060714.

Adding to 503233123 its reverse (321332305), we get a palindrome (824565428).

The spelling of 503233123 in words is "five hundred three million, two hundred thirty-three thousand, one hundred twenty-three".