52812557123 has 4 divisors (see below), whose sum is σ = 52813190160. Its totient is φ = 52811924088.

The previous prime is 52812557113. The next prime is 52812557141. The reversal of 52812557123 is 32175521825.

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 52812557123 - 2¹⁶ = 52812491587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52812557113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168215 + ... + 365952.

It is an arithmetic number, because the mean of its divisors is an integer number (13203297540).

Almost surely, 2^52812557123 is an apocalyptic number.

52812557123 is a deficient number, since it is larger than the sum of its proper divisors (633037).

52812557123 is an equidigital number, since it uses as much as digits as its factorization.

52812557123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633036.

The product of its digits is 168000, while the sum is 41.

The spelling of 52812557123 in words is "fifty-two billion, eight hundred twelve million, five hundred fifty-seven thousand, one hundred twenty-three".