503423513045 has 8 divisors (see below), whose sum is σ = 606614890200. Its totient is φ = 401067694080.

The previous prime is 503423513039. The next prime is 503423513083. The reversal of 503423513045 is 540315324305.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 248480316484 + 254943196561 = 498478^2 + 504919^2 .

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

It is not a de Polignac number, because 503423513045 - 2¹⁴ = 503423496661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503423512996 and 503423513014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208888220 + ... + 208890629.

It is an arithmetic number, because the mean of its divisors is an integer number (75826861275).

Almost surely, 2^503423513045 is an apocalyptic number.

It is an amenable number.

503423513045 is a deficient number, since it is larger than the sum of its proper divisors (103191377155).

503423513045 is a wasteful number, since it uses less digits than its factorization.

503423513045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417779095.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 503423513045 in words is "five hundred three billion, four hundred twenty-three million, five hundred thirteen thousand, forty-five".