503145223130 has 64 divisors (see below), whose sum is σ = 1001648457216. Its totient is φ = 180450504000.

The previous prime is 503145223123. The next prime is 503145223171. The reversal of 503145223130 is 31322541305.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 503145223093 and 503145223102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2241725 + ... + 2455935.

It is an arithmetic number, because the mean of its divisors is an integer number (15650757144).

Almost surely, 2^503145223130 is an apocalyptic number.

503145223130 is a deficient number, since it is larger than the sum of its proper divisors (498503234086).

503145223130 is a wasteful number, since it uses less digits than its factorization.

503145223130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214523.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 503145223130 its reverse (31322541305), we get a palindrome (534467764435).

The spelling of 503145223130 in words is "five hundred three billion, one hundred forty-five million, two hundred twenty-three thousand, one hundred thirty".