503355612131123 has 8 divisors (see below), whose sum is σ = 522131537916480. Its totient is φ = 484674275393280.

The previous prime is 503355612131069. The next prime is 503355612131137. The reversal of 503355612131123 is 321131216553305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 503355612131123 - 2⁶ = 503355612131059 is a prime.

It is a super-2 number, since 2×503355612131123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503355612101123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23647251038 + ... + 23647272323.

It is an arithmetic number, because the mean of its divisors is an integer number (65266442239560).

Almost surely, 2^{503355612131123} is an apocalyptic number.

503355612131123 is a deficient number, since it is larger than the sum of its proper divisors (18775925785357).

503355612131123 is a wasteful number, since it uses less digits than its factorization.

503355612131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47294523757.

The product of its (nonzero) digits is 243000, while the sum is 41.

Adding to 503355612131123 its reverse (321131216553305), we get a palindrome (824486828684428).

The spelling of 503355612131123 in words is "five hundred three trillion, three hundred fifty-five billion, six hundred twelve million, one hundred thirty-one thousand, one hundred twenty-three".