503040651423 has 8 divisors (see below), whose sum is σ = 670727819136. Its totient is φ = 335356959000.

The previous prime is 503040651419. The next prime is 503040651437. The reversal of 503040651423 is 324156040305.

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

It is not a de Polignac number, because 503040651423 - 2² = 503040651419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503040651413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509893 + ... + 1125198.

It is an arithmetic number, because the mean of its divisors is an integer number (83840977392).

Almost surely, 2^503040651423 is an apocalyptic number.

503040651423 is a deficient number, since it is larger than the sum of its proper divisors (167687167713).

503040651423 is a wasteful number, since it uses less digits than its factorization.

503040651423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737645.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 503040651423 its reverse (324156040305), we get a palindrome (827196691728).

The spelling of 503040651423 in words is "five hundred three billion, forty million, six hundred fifty-one thousand, four hundred twenty-three".