503054110123 has 4 divisors (see below), whose sum is σ = 506385594448. Its totient is φ = 499722625800.

The previous prime is 503054110057. The next prime is 503054110129. The reversal of 503054110123 is 321011450305.

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 503054110123 - 2³⁷ = 365615156651 is a prime.

It is a super-2 number, since 2×503054110123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503054110129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665741936 + ... + 1665742237.

It is an arithmetic number, because the mean of its divisors is an integer number (126596398612).

Almost surely, 2^503054110123 is an apocalyptic number.

503054110123 is a deficient number, since it is larger than the sum of its proper divisors (3331484325).

503054110123 is a wasteful number, since it uses less digits than its factorization.

503054110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331484324.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 503054110123 its reverse (321011450305), we get a palindrome (824065560428).

The spelling of 503054110123 in words is "five hundred three billion, fifty-four million, one hundred ten thousand, one hundred twenty-three".