52465665520123 has 4 divisors (see below), whose sum is σ = 53184373267048. Its totient is φ = 51746957773200.

The previous prime is 52465665520091. The next prime is 52465665520139. The reversal of 52465665520123 is 32102556656425.

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 52465665520123 - 2⁵ = 52465665520091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52465665520183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359353873353 + ... + 359353873498.

It is an arithmetic number, because the mean of its divisors is an integer number (13296093316762).

Almost surely, 2^{52465665520123} is an apocalyptic number.

52465665520123 is a deficient number, since it is larger than the sum of its proper divisors (718707746925).

52465665520123 is an equidigital number, since it uses as much as digits as its factorization.

52465665520123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718707746924.

The product of its (nonzero) digits is 12960000, while the sum is 52.

The spelling of 52465665520123 in words is "fifty-two trillion, four hundred sixty-five billion, six hundred sixty-five million, five hundred twenty thousand, one hundred twenty-three".