52320123231 has 8 divisors (see below), whose sum is σ = 69761970864. Its totient is φ = 34879178880.

The previous prime is 52320123223. The next prime is 52320123257. The reversal of 52320123231 is 13232102325.

It is a happy number.

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

It is not a de Polignac number, because 52320123231 - 2³ = 52320123223 is a prime.

It is a super-2 number, since 2×52320123231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52320123211) 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, 76576 + ... + 332421.

It is an arithmetic number, because the mean of its divisors is an integer number (8720246358).

Almost surely, 2^52320123231 is an apocalyptic number.

52320123231 is a deficient number, since it is larger than the sum of its proper divisors (17441847633).

52320123231 is a wasteful number, since it uses less digits than its factorization.

52320123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451641.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 52320123231 its reverse (13232102325), we get a palindrome (65552225556).

The spelling of 52320123231 in words is "fifty-two billion, three hundred twenty million, one hundred twenty-three thousand, two hundred thirty-one".