47023161065 has 36 divisors (see below), whose sum is σ = 58894795596. Its totient is φ = 36016384896.

The previous prime is 47023161061. The next prime is 47023161067. The reversal of 47023161065 is 56016132074.

It can be written as a sum of positive squares in 6 ways, for example, as 3577594969 + 43445566096 = 59813^2 + 208436^2 .

It is not a de Polignac number, because 47023161065 - 2² = 47023161061 is a prime.

It is a super-2 number, since 2×47023161065² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47023161061) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 315591611 + ... + 315591759.

Almost surely, 2^47023161065 is an apocalyptic number.

It is an amenable number.

47023161065 is a deficient number, since it is larger than the sum of its proper divisors (11871634531).

47023161065 is an equidigital number, since it uses as much as digits as its factorization.

47023161065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 47023161065 in words is "forty-seven billion, twenty-three million, one hundred sixty-one thousand, sixty-five".