65442076523 has 8 divisors (see below), whose sum is σ = 68888862720. Its totient is φ = 61995537000.

The previous prime is 65442076489. The next prime is 65442076549. The reversal of 65442076523 is 32567024456.

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

It is not a de Polignac number, because 65442076523 - 2⁶ = 65442076459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65442073523) 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, 771986 + ... + 852552.

It is an arithmetic number, because the mean of its divisors is an integer number (8611107840).

Almost surely, 2^65442076523 is an apocalyptic number.

65442076523 is a deficient number, since it is larger than the sum of its proper divisors (3446786197).

65442076523 is a wasteful number, since it uses less digits than its factorization.

65442076523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123337.

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 65442076523 in words is "sixty-five billion, four hundred forty-two million, seventy-six thousand, five hundred twenty-three".