501125132423 has 8 divisors (see below), whose sum is σ = 503533910592. Its totient is φ = 498719911936.

The previous prime is 501125132419. The next prime is 501125132429. The reversal of 501125132423 is 324231521105.

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 501125132423 - 2² = 501125132419 is a prime.

It is a super-2 number, since 2×501125132423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501125132429) 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 7 ways as a sum of consecutive naturals, for example, 606815 + ... + 1170672.

It is an arithmetic number, because the mean of its divisors is an integer number (62941738824).

Almost surely, 2^501125132423 is an apocalyptic number.

501125132423 is a deficient number, since it is larger than the sum of its proper divisors (2408778169).

501125132423 is a wasteful number, since it uses less digits than its factorization.

501125132423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778841.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 501125132423 its reverse (324231521105), we get a palindrome (825356653528).

The spelling of 501125132423 in words is "five hundred one billion, one hundred twenty-five million, one hundred thirty-two thousand, four hundred twenty-three".